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Linezolid is an organofluorine compound that consists of 1,3-oxazolidin-2-one bearing an N-3-fluoro-4-(morpholin-4-yl)phenyl group as well as an acetamidomethyl group at position 5. A synthetic antibacterial agent that inhibits bacterial protein synthesis by binding to a site on 23S ribosomal RNA of the 50S subunit and prevents further formation of a functional 70S initiation complex. It has a role as an antibacterial drug and a protein synthesis inhibitor. It is an oxazolidinone, a member of morpholines, an organofluorine compound and a member of acetamides.

二十九烷是一個化學式為C29H60的直鏈烷烴。它有1,590,507,121個結構異構體。

Penbutolol is a member of ethanolamines.

硫酰胺（化学式：H2NSO2NH2），又名磺酰胺，是硫酸的二酰胺衍生物。

Hetacillin is a penicillin. It has a role as an antibacterial drug. It is a conjugate acid of a hetacillin(1-).

庚烷的化學式为C7H16，烷烴中的第七個成員。有9種同分異構體，若考虑到光学异构则有11种同分异构体： 其中大多數存於石油的汽油餾出物中。 其直链化合物是正庚烷CH3(CH2)5CH3（沸點98℃）。 汽油發動機中引起爆震，危害極大。

Nitrosobenzene is a nitroso compound that is the nitroso derivative of benzene; a diamagnetic hybrid of singlet O2 and azobenzene. It has a role as a xenobiotic metabolite. It is a nitroso compound and a member of benzenes. It is functionally related to a benzene.

六氟化鈾（英語：uranium hexafluoride）是一种铀的化合物，其化学式为UF6。六氟化铀被用于制取浓缩铀，因此在核工业中有很重要的价值。标准状况下，六氟化铀为灰色的晶体。六氟化铀有很强的毒性，可与水剧烈反应，并且能腐蚀大多数金属。它與鋁反應溫和，在鋁的表面形成致密的氟化铝薄膜，阻止反應進一步進行。

Heptyl acetate is a carboxylic ester.

異鳥嘌呤或2-羟基腺嘌呤（简写：B）属于嘌呤类碱基，它是鸟嘌呤的异构体。它是DNA的氧化损伤产物，已被证明会导致突变。它和异胞嘧啶结合，用于非天然和酸类似物的研究中。它可以2,6-二氨基嘌呤为原料通过化学法合成。

Genipin is a chemical compound found in Genipa americana fruit extract. It is an aglycone derived from an iridoid glycoside called geniposide which is also present in fruit of Gardenia jasminoides. Genipin is an excellent natural cross-linker for proteins, collagen, gelatin, and chitosan cross-linking. It has a low acute toxicity, with LD50 i.v. 382 mg/kg in mice, therefore, much less toxic than glutaraldehyde and many other commonly used synthetic cross-linking reagents. Furthermore, genipin can be used as a regulating agent for drug delivery, as the raw material for gardenia blue pigment preparation, and as the intermediate for alkaloid syntheses. The blue color of genipin is stabilized in milk due to the natural pH of milk In vitro experiments have shown that genipin blocks the action of the transporter uncoupling protein 2.

京尼平（英語：Genipin）是一种有机化合物，分子式C11H14O5，属于环烯醚萜衍生物，是栀子苷的苷元（糖苷配基） 。

Ferulic acid is a ferulic acid consisting of trans-cinnamic acid bearing methoxy and hydroxy substituents at positions 3 and 4 respectively on the phenyl ring. It has a role as an antioxidant, a MALDI matrix material, a plant metabolite, an anti-inflammatory agent, an apoptosis inhibitor and a cardioprotective agent. It is a conjugate acid of a ferulate.

茚也被称为苯并茂，自然界中存在于煤焦油175-185 °C 馏分中。可以通过钠和茚反应（茚是酸性的），然后水蒸气蒸馏将茚分离出来。

Dihydrochalcone is a member of the class of dihydrochalcones that is acetophenone in which one of the hydrogens of the methyl group is replaced by a benzyl group. It has a role as a plant metabolite.

氯丙酮，结构式ClCH2COCH3。

Pipecolic acid is a piperidinemonocarboxylic acid in which the carboxy group is located at position C-2. It is a conjugate acid of a pipecolate.

柚皮素是一种无味，颜色由白色至淡黄的黄烷酮，是一种类黄酮。它是葡萄柚中的主要黄烷酮，并存在于多种水果与草药中。

9-phenanthrol is a phenanthrol that is phenanthrene in which a hydrogen attached to a carbon in the central ring has been replaced by a hydroxy group. It has a role as a TRPM4 channel inhibitor. It derives from a hydride of a phenanthrene.

9-羟基菲（英语：9-Hydroxyphenanthrene），也叫9-菲酚（9-Phenanthrol），是一种芳香醇，来源于菲，一种三环化合物。它是一种TRPM4通道抑制剂。它可以阻止胰腺在受到葡萄糖刺激时分泌胰岛素。

Lecanoric acid is a natural product found in Stereocaulon curtatum, Dimelaena oreina, and other organisms with data available.

乙酸庚酯是化学式 C9H18O2的有机化合物。

Paclitaxel is a tetracyclic diterpenoid isolated originally from the bark of the Pacific yew tree, Taxus brevifolia. It is a mitotic inhibitor used in cancer chemotherapy. Note that the use of the former generic name 'taxol' is now limited, as Taxol is a registered trade mark. It has a role as a microtubule-stabilising agent, a metabolite, a human metabolite and an antineoplastic agent. It is a tetracyclic diterpenoid and a taxane diterpenoid. It is functionally related to a baccatin III.

氯丙嗪 (英語：chlorpromazine，簡稱CPZ) 以Thorazine和Lagactil等商品名稱於市面上銷售，是一種抗精神病藥。主要用於治療思覺失調症等精神疾病。另外還用於治療雙相障礙、兒童嚴重行為問題（包括患有注意力不足過動症的兒童）、噁心和嘔吐、手術前焦慮以及處理後並未改善的打嗝。它可經由口服、肌肉注射、靜脈注射及直腸給藥方式給藥。

Lycorine is an indolizidine alkaloid that is 3,12-didehydrogalanthan substituted by hydroxy groups at positions and 2 and a methylenedioxy group across positions 9 and 10. Isolated from Crinum asiaticum, it has been shown to exhibit antimalarial activity. It has a role as a protein synthesis inhibitor, an antimalarial, a plant metabolite and an anticoronaviral agent. It derives from a hydride of a galanthan.

酪氨酸（Tyrosine, 縮寫為 Tyr or Y） 或 4 - 羥基苯丙氨酸, 是細胞用來合成蛋白質的22種胺基酸之一，在細胞中可用於合成蛋白質，其密碼子為UAC和UAU，屬於含有極性側基，人體可自行合成的非必需胺基酸。單詞“酪氨酸”是來自希臘語 tyros，意思奶酪。19世紀初被德國的化學家尤斯图斯·冯·李比希首先在起司的酪蛋白中發現， ，當用作於官能基或側基時則稱做酪氨酰。

Pheneturide (INN, BAN) (brand names Benuride, Deturid, Pheneturid, Septotence, Trinuride), also known as phenylethylacetylurea (or ethylphenacemide), is an anticonvulsant of the ureide class. Conceptually, it can be formed in the body as a metabolic degradation product from phenobarbital. It is considered to be obsolete and is now seldom used. It is marketed in Europe, including in Poland, Spain and the United Kingdom. Pheneturide has a similar profile of anticonvulsant activity and toxicity relative to phenacemide. As such, it is only used in cases of severe epilepsy when other, less-toxic drugs have failed. Pheneturide inhibits the metabolism and thus increases the levels of other anticonvulsants, such as phenytoin.

麦芽糖（英語：Maltose）是通过α（1→4）键连接的两个单位的葡萄糖，从缩合反应形成的一种双糖。异构体的异麦芽糖具有通过α（1→6）键连接的两个葡萄糖分子。麦芽糖是淀粉酶分解淀粉产生的双糖。

Temozolomide is an imidazotetrazine that is 3,4-dihydroimidazo[5,1-d][1,2,3,5]tetrazine which is substituted at positions 3, 4, and 8 by methyl, oxo, and carboxamide groups, respectively. A prodrug for MTIC (5-(3-methyltriaz-1-en-1-yl)-1H-imidazole-4-carboxamide, formed by spontaneous hydrolysis of temozolomide in the body), it is used as an oral alkylating agent for the treatment of newly diagnosed malignant glioblastoma multiforme (concomitantly with radiotherapy) and malignant melanoma. It has a role as an antineoplastic agent, a prodrug and an alkylating agent. It is an imidazotetrazine, a monocarboxylic acid amide and a triazene derivative.

二硫化钨是一种无机化合物，化学式为WS2。

Allantoin is a chemical compound with formula C4H6N4O3. It is also called 5-ureidohydantoin or glyoxyldiureide. It is a diureide of glyoxylic acid. Allantoin is a major metabolic intermediate in most organisms including animals, plants and bacteria. It is produced from uric acid, which itself is a degradation product of nucleic acids, by action of urate oxidase (uricase). Allantoin also occurs as a natural mineral compound (IMA symbol Aan).

異氟醚或稱異氟烷（英語：Isoflurane，商品名Forane），是人畜常用的全身麻醉藥，可用於誘導或維持麻醉。但受制於異氟醚對氣管的刺激性，一般會用其他藥物誘導麻醉。異氟醚的給藥方式為吸入其蒸氣。 異氟醚的副作用包括抑制呼吸中樞、降低血壓及導致心律不齊。更為嚴重的副作用包括恶性高热及高血鉀症。異氟醚不宜在本人或家族有惡性高熱病史的情況下使用。懷孕期間使用本藥對胎兒的安全性目前不明，但在剖腹生產的情況下使用相信是安全的。 異氟醚是鹵代醚麻醉藥家族的一員，在美國於1979年首次獲准臨床使用。異氟醚是世界卫生组织基本药物标准清单中的藥品，是基礎醫療系統必備的藥品之一。本藥在發展中國家售價約為每瓶（250毫升）17至170美元。

Norfloxacin is a natural product found in Bacillus subtilis and Caloboletus radicans with data available.

放线菌酮是一种具苦味的物質，在真核生物中对蛋白質生物合成过程有抑制效应的化合物，它是灰色链霉菌（Streptomyces griseus）的一种产物。它通过干扰蛋白质合成过程中的易位步骤而阻碍轉译过程。在生物药学研究中放线菌酮常被用来抑制生物体外真核细胞的蛋白质合成。这个方法非常有效、快速和廉价。而且通过将放线菌酮从试管中去除掉可以很快地取消它的作用。

Vasicinone is a quinazoline alkaloid. It shows bronchodilator action in vitro but bronchoconstrictor action in vivo. Vasicinone was shown to have an antianaphylactic action. It has been found within Peganum harmala. Vasicinone has also been studied in combination with the related alkaloid vasicine. Both the alkaloids in combination (1:1) showed pronounced bronchodilatory activity in vivo and in vitro. Both alkaloids are also respiratory stimulants. Vasicine has a cardiac–depressant effect, while vasicinone is a weak cardiac stimulant; the effect can be normalized by combining the alkaloids. Vasicine is reported to have a uterine stimulant effect.

异丁醛，ICPAU系统名称为2-甲基丙醛，属醛类，是一种具有分子式(CH3)2CHCHO的有机化合物，与正丁醛（丁醛）是同分异构体。工业上通过丙烯氢甲酰化的副反应制备。异丁醛的气味类似于湿的谷物或稻草。尽管异丁它具有阿尔法氢原子，它也能发生坎尼扎罗反应。

Neohesperidin dihydrochalcone is a natural product found in Citrus reticulata, Vicia faba, and Citrus deliciosa with data available.

二氟一氯甲烷，别名氟利昂-22、R-22，分子式CHClF2。

Norsalsolinol is a chemical compound that is produced naturally in the body through the metabolism of dopamine. It has been shown to be a selective dopaminergic neurotoxin, and has been suggested as a possible cause of neurodegenerative conditions such as Parkinson's disease and the brain damage associated with alcoholism, although evidence for a causal relationship is unclear. (R)-Salsolinol which has been shown to be a product of ethanol metabolism, stereospecifically induces behavioral sensitization and leads to excessive alcohol intake in rats

布西丁（英語：Bucetin）是一种曾经用于镇痛退热的药物。从化学结构上来看，布西丁和非那西丁相似，并且都有引发癌变的风险。由于其肾毒性，布西丁于1986年被撤回。

Naringin is a disaccharide derivative that is (S)-naringenin substituted by a 2-O-(alpha-L-rhamnopyranosyl)-beta-D-glucopyranosyl moiety at position 7 via a glycosidic linkage. It has a role as a metabolite, an antineoplastic agent and an anti-inflammatory agent. It is a disaccharide derivative, a dihydroxyflavanone, a member of 4'-hydroxyflavanones, a (2S)-flavan-4-one and a neohesperidoside. It is functionally related to a (S)-naringenin.

新斯的明（英語：Neostigmine）是一种拟副交感神经药，其作用机理是作为一种易逆乙酰胆碱酯酶抑制药。 常用于肌无力和术后腹水潴留，也可用于竞争性神经肌肉阻滞药解毒 禁用于机械性肠梗阻，尿路梗阻一类患者

Phenylacetaldehyde is an organic compound used in the synthesis of fragrances and polymers. Phenylacetaldehyde is an aldehyde that consists of acetaldehyde bearing a phenyl substituent; the parent member of the phenylacetaldehyde class of compounds. It has a role as a human metabolite, a Saccharomyces cerevisiae metabolite, an Escherichia coli metabolite and a mouse metabolite. It is an alpha-CH2-containing aldehyde and a member of phenylacetaldehydes. Phenylacetaldehyde is one important oxidation-related aldehyde. Exposure to styrene gives phenylacetaldehyde as a secondary metabolite. Styrene has been implicated as reproductive toxicant, neurotoxicant, or carcinogen in vivo or in vitro. Phenylacetaldehyde could be formed by diverse thermal reactions during the cooking process together with C8 compounds is identified as a major aroma–active compound in cooked pine mushroom. Phenylacetaldehyde is readily oxidized to phenylacetic acid. Therefore will eventually be hydrolyzed and oxidized to yield phenylacetic acid that will be excreted primarily in the urine in conjugated form.

环氯胍（英語：Cycloguanil），又称氯胍三嗪或氯苯三嗪，化学上是一种胺缩醛，药理学上属二氢叶酸还原酶抑制剂，是抗疟疾药物氯胍的经肝脏细胞色素P450代谢产物，并被认为是氯胍在体内发挥抗疟作用的活性成分（即氯胍是环氯胍的前体药物）。然而最新研究表明，在抗疟药物马拉隆（Malarone，即复方氯胍/阿托伐醌）中，氯胍与阿托伐醌虽然有协同作用，但代谢成环氯胍后对阿托伐醌是拮抗的，表明氯胍与环氯胍不同，除了抑制二氢叶酸还原酶之外，可能还具备另一种抗疟作用机制。 尽管环氯胍目前并未被广泛用作抗疟药，但随着现有抗疟药物的耐药性不断增强，人们对环胍与其他药物联合使用的研究重新产生了兴趣。

In chemistry, a tungstate is a compound that contains an oxyanion of tungsten or is a mixed oxide containing tungsten. The simplest tungstate ion is WO2−4, "orthotungstate". Many other tungstates belong to a large group of polyatomic ions that are termed polyoxometalates, ("POMs"), and specifically termed isopolyoxometalates as they contain, along with oxygen and maybe hydrogen, only one other element. Almost all useful tungsten ores are tungstates.

六氯苯是有6個氯取代基的苯，一開始是被做為榖物防黴菌的使用，但也可以用在工業用途上，不過這個用品在斯德哥爾摩公約中屬於被全球禁用的持久性有機污染物。

Cyclobarbital, also known as cyclobarbitol or cyclobarbitone, is a barbiturate derivative. It was available in Russia as a fixed-dose combination with diazepam (100 mg cyclobarbital + 10 mg diazepam; brand name Reladorm) for the treatment of insomnia but was discontinued in 2019.

厄他培南（英語：Ertapenem）是一种碳青霉烯类抗生素，由默沙东以怡万之为商品名销售。结构上，厄他培南与美罗培南非常相似，前者有一个1-β-甲基。

Phthalic anhydride is the cyclic dicarboxylic anhydride that is the anhydride of phthalic acid. It has a role as an allergen. It is a cyclic dicarboxylic anhydride and a member of 2-benzofurans.

环己烯是六个碳的环烯烃，分子式为C6H10，室温下为无色液体。

Pseudouridine is a C-glycosyl pyrimidine that consists of uracil having a beta-D-ribofuranosyl residue attached at position 5. The C-glycosyl isomer of the nucleoside uridine. It has a role as a fundamental metabolite.

槟榔碱是一种有机化合物，化学式为C8H13NO2。它可以3-甲氧羰基-1-甲基吡啶鎓碘化物和硼氢化钠的还原反应制得。它和三氟过氧乙酸反应，生成相应的环氧化物。

Indolizine is a natural product found in Streptomyces antioxidans with data available.

澳洲茄边碱是一種有毒的化學物質，會出現在茄科植物中，例如發芽的馬鈴薯、未成熟的蕃茄及茄子等，未成熟的龍葵果實也有澳洲茄边碱。澳洲茄边碱是一種衍生自澳洲茄胺的糖苷生物碱。 澳洲茄边碱也是一種不成功的抗癌用藥Coramsine中的成份之一，另一種主要成份是澳洲茄碱。Coramsine只進行到初步臨床試驗，因結果不夠充份而停止開發。

Nobiletin is a methoxyflavone that is flavone substituted by methoxy groups at positions 5, 6, 7, 8, 3' and 4' respectively. It has a role as a plant metabolite and an antineoplastic agent. It is functionally related to a flavone.

景天庚酮糖-7-磷酸（英語：Sedoheptulose 7-phosphate）是磷酸戊糖途径的一种中间代谢产物，由转酮醇酶合成再经转醛醇酶转化为下游产物。 此外，景天庚酮糖激酶能利用景天庚酮糖和ATP 来合成ADP 和景天庚酮糖-7-磷酸。

Methylphosphine is the simplest organophosphorus compound with the formula CH3PH2, often written MePH2. It is a malodorous gas that condenses to a colorless liquid. It can be produced by methylation of phosphide salts: KPH2 + MeI → MePH2 + KI

烯丙醇，丙烯的3位被羟基取代后得到的醇衍生物，即3-丙烯醇，结构为CH2=CH-CH2-OH。广义的烯丙醇泛指带双键的醇，同时双键和羟基的相对位置满足3-丙烯醇的结构。

Theobromine is a dimethylxanthine having the two methyl groups located at positions 3 and 7. A purine alkaloid derived from the cacao plant, it is found in chocolate, as well as in a number of other foods, and is a vasodilator, diuretic and heart stimulator. It has a role as an adenosine receptor antagonist, a food component, a plant metabolite, a human blood serum metabolite, a mouse metabolite, a vasodilator agent and a bronchodilator agent.

中氮茚，又称吲嗪、吲哚嗪（Indolizine），是含有环合氮的六并五杂环体系，吲哚异构体之一，有芳香性，为完全共轭的10π电子体系。 芳香性的中氮茚环在自然界中是比较罕见的，但它完全氢化的产物八氢吲嗪是常见的，存在于很多生物碱中。

Capillin is a ynone and an aromatic ketone.

3-磷酸甘油酸（英語：3-phosphoglycerate, 3PG或glycerate 3-phosphate 在糖解作用中，3-磷酸甘油酸是由1,3-雙磷酸甘油酸在磷酸甘油酸激酶（Phosphoglycerate kinase）的催化中產生的。每一分子3-雙磷酸甘油酸會使一分子的ADP轉變成為的ATP，原理是接在1,3-雙磷酸甘油酸上的兩個磷酸根，其中有一個轉移到ADP之上。這個反應需要鎂離子（Mg2+）的幫助。

Allyl isothiocyanate (AITC) is a naturally occurring unsaturated isothiocyanate. The colorless oil is responsible for the pungent taste of cruciferous vegetables such as mustard, radish, horseradish, and wasabi. This pungency and the lachrymatory effect of AITC are mediated through the TRPA1 and TRPV1 ion channels. It is slightly soluble in water, but more soluble in most organic solvents.

2-甲基呋喃是一种可燃、不溶于水的液体。它有巧克力的气味，天然存在于香桃木属和薰衣草中。 它是香料和提取物制造商协会公认安全的调味物质，也有潜力用于替代燃料。

Benznidazole is an antiparasitic medication used in the treatment of Chagas disease. While it is highly effective in early disease, the effectiveness decreases in those who have long-term infection. It is the first-line treatment given its moderate side effects compared to nifurtimox. It is taken by mouth. Side effects are fairly common. They include rash, numbness, fever, muscle pain, loss of appetite, and trouble sleeping. Rare side effects include bone marrow suppression which can lead to low blood cell levels. It is not recommended during pregnancy or in people with severe liver or kidney disease. Benznidazole is in the nitroimidazole family of medication and works by the production of free radicals. Benznidazole came into medical use in 1971. It is on the World Health Organization's List of Essential Medicines. As of 2012, Laboratório Farmacêutico do Estado de Pernambuco, a government run pharmaceutical company in Brazil was the only producer.

草蒿脑（英語：Estragole，也称为对烯丙基苯甲醚，p-allylanisole，或甲基佳味酚，methyl chavicol）是一种有机化合物，化学式C10H12O，是茴香脑的同分异构体，带有甲氧基和烯丙基基团。

Galactomannan is a heteroglycan consisting of a mannan backbone with galactose side groups.

2-戊酮（英語：2-Pentanone，又称甲基丙基（甲）酮，英語：methyl propyl ketone，缩写为MPK）是一种酮类溶剂，相比于甲基乙基酮，因溶解能力较差且价格较贵而不太常用。在自然界中，它存在于烟草中，也在蓝奶酪中作为青霉菌生长的代谢产物存在。

Avobenzone (trade names Parsol 1789, Milestab 1789, Eusolex 9020, Escalol 517, Neo Heliopan 357 and others, INCI Butyl Methoxydibenzoylmethane) is an organic molecule and an oil-soluble ingredient used in sunscreen products to absorb the full spectrum of UVA rays.

溴甲酚紫（英語：Bromocresol purple、BCP）学名：5,5′-二溴邻甲酚磺酰酞 （英語：5′,5″-dibromo-o-cresolsulfophthalein），是一种三苯甲烷类染料和pH指示剂，在pH < 5.2时为黄色，在pH > 5.2为紫色。其分子结构具有磺酸内酯结构，且具有酸性，酸解离常数pKa = 6.3，常配成0.04%的水溶液使用。

Cyclohexanecarboxylic acid is the organic compound with the formula C6H11CO2H. It is the carboxylic acid of cyclohexane. It is a colorless oil that crystallizes near room temperature.

环戊二烯（英語：cyclopentadiene），有时会称为茂化氢（CpH），是五个碳的环状二烯烃，分子式为C5H6。环戊二烯室温下为无色液体，具有强烈的刺激性气味。在室温时会发生狄尔斯-阿尔德反应，迅速聚合生成二聚环戊二烯，二聚体加热又可分解为环戊二烯。环戊二烯不溶于水，易溶于乙醚、苯等溶剂。 环戊二烯基可以简写为Cp。

Naringin is a natural product found in Salvia officinalis, Citrus reticulata, and other organisms with data available.

非索非那定是特芬那定（terfenadine）衍生而來的活性代謝物，具有選擇性末稍H1受體拮抗活性的抗組織胺藥。非索非那定的兩種鏡像異構物均可顯現效力相當的抗組織胺作用，被稱為第二代抗組織胺的它不會通過大腦血管障壁（blood brain barrier，BBB），不會有前代製品例如嗜睡等副作用。

Oxamic acid is a dicarboxylic acid monoamide resulting from the formal condensation of one of the carboxy groups of oxalic acid with ammonia. It has a role as an Escherichia coli metabolite. It is a conjugate acid of an oxamate.

十八醛（英語：Octadecanal）是一种醛类有机化合物，化学式C18H36O，被几种昆虫用作信息素。

Hydroxylamine is the simplest hydroxylamine, consisting of ammonia bearing a hydroxy substituent. It is an intermediate in the biological nitrification by microbes like bacteria. It has a role as a nitric oxide donor, an EC 1.1.3.13 (alcohol oxidase) inhibitor, a nucleophilic reagent, an EC 4.2.1.22 (cystathionine beta-synthase) inhibitor, an EC 4.3.1.10 (serine-sulfate ammonia-lyase) inhibitor, a bacterial xenobiotic metabolite and an algal metabolite. It is a conjugate acid of a hydroxyazanide and an aminooxidanide. It derives from a hydride of an ammonia.

噻鼠灵（英語：Difethialone）是一種用作滅鼠劑的抗凝血劑。它被認為是第二代藥劑。

Lycopene is an acyclic carotene commonly obtained from tomatoes and other red fruits. It has a role as an antioxidant and a plant metabolite. It contains a carotenoid psi-end derivative.

番茄紅素（Lycopene、分子式 C40H56），又稱茄紅素。是親脂性亮紅色的類胡蘿蔔素色素，属于四萜，无维生素A活性；存在于番茄和其它紅色果实与蔬菜中，如：西瓜、葡萄柚、木瓜、胡萝卜等。 番茄紅素是人體最常見和是最有力的類胡蘿蔔素抗氧劑之一。它的英文名Lycopene是從番茄的種類分類茄屬Solanum lycopersicum中而來得。

Androstanedione, also known as 5α-androstanedione or as 5α-androstane-3,17-dione, is a naturally occurring androstane (5α-androstane) steroid and an endogenous metabolite of androgens like testosterone, dihydrotestosterone (DHT), dehydroepiandrosterone (DHEA), and androstenedione. It is the C5 epimer of etiocholanedione (5β-androstanedione). Androstanedione is formed from androstenedione by 5α-reductase and from DHT by 17β-hydroxysteroid dehydrogenase. It has some androgenic activity. In female genital skin, the conversion of androstenedione into DHT through 5α-androstanedione appears to be more important than the direct conversion of testosterone into DHT.

酞氨西林（英语：Talampicillin）是一种来自青霉素家族的β-内酰胺类抗生素。它是一种酸稳定的口服前药。该药物未经FDA批准在美国使用。肝脏疾病患者应避免使用该药物。

Dithiothreitol (DTT) is an organosulfur compound with the formula (CH(OH)CH2SH)2. A colorless compound, it is classified as a dithiol and a diol. DTT is redox reagent also known as Cleland's reagent, after W. Wallace Cleland. The reagent is commonly used in its racemic form. Its name derives from the four-carbon sugar, threose. DTT has an epimeric ('sister') compound, dithioerythritol (DTE).

克瘟散（O-乙基-S,S-二苯基二硫代磷酸酯；别称敌瘟磷、稻瘟光、護粒松；英語：Edifenphos）是一种内吸性杀真菌剂，能够抑制磷脂酰胆碱的生物合成。它最早由拜耳公司于1966年制成，用于防止水稻的稻热病菌和立枯丝核菌病害。克瘟散未曾在欧盟被批准使用。

Azoxybenzene is organic compound with the formula C6H5N(O)NC6H5. It is a yellow, low-melting solid. The molecule has a planar C2N2O core. The N-N and N-O bond lengths are nearly the same at 1.23 Å.

一氯甲烷又稱甲基氯，無色、可燃、有毒氣體，屬有機鹵化物。分子式是CH3Cl，分子量是50.49。尽管很少出现在消费品中，氯甲烷是工业化学中的重要试剂。

Methylcyclohexane is a cycloalkane that is cyclohexane substituted by a single methyl group. It has a role as an aprotic solvent, a plant metabolite and a human metabolite. It is a cycloalkane and a volatile organic compound. It derives from a hydride of a cyclohexane.

三氯乙烯(或稱1,1,2-三氯乙烯)是工業常用溶劑。它無色，有毒性、透明、粘性低、不燃燒、易揮發，具有芳香味的液體，對神經有麻醉作用。純三氯乙烯分解緩慢。當有紫外線照射三氯乙烯與氧氣混合物時，加速三氯乙烯分解。 三氯乙烯主要用作金属脱脂和羊毛及织物的干洗剂。树脂、沥青、煤焦油、醋酸纤维素、硝化纤维素、橡胶和涂料等的溶剂。在医药上曾用作麻醉剂，农药上是合成一氯乙酸的原料。 三氯乙烯屬第一種有機溶劑。 有研究指出接觸三氯乙烯可能誘發帕金森氏症。

Diphenyl sulfide is an aryl sulfide that consists of two phenyl groups connected by a sulphur atom.

依巴斯汀（Ebastine，又名Kestine），学名1-[4-(1,1-二甲基乙基)]-4-[4-(二苯基甲氧基)-1-哌啶基]-1-丁酮，分子式C32H39NO2，分子量469.67，是一種組胺H1受體拮抗劑，能抑制組織胺的釋放，從而達至控制過敏反應的功效。一般處方都是 10 毫克白色藥片，由鋁箔包裝。藥物須遮光保存。

Magnolol is a member of biphenyls.

噻（sāi）吩（（吩咐的吩））（英語：Thiophene）是杂环化合物，化学式C4H4S。由平面五元环组成，其广泛的取代反应表明它有芳香性。它是无色液体，气味似苯。在其大部分反应中都类似苯。

Ascaridole is a p-menthane monoterpenoid that is p-menth-2-ene with a peroxy group across position 1 to 4. It has a role as an antinematodal drug, a plant metabolite and an antileishmanial agent. It is a p-menthane monoterpenoid, an organic peroxide and an organic heterobicyclic compound.

邻苯二甲酸单丁酯（英語：Monobutyl phthalate，缩写MBP）是一种结构简式为CH3(CH2)3OOCC6H4COOH的有机化合物，常温下为白色固体。MBP为邻苯二甲酸二丁酯在人体内的主要初级代谢产物。和其它许多邻苯二甲酸酯一样，MBP也是一种内分泌干扰物，可影响生殖系统功能。

Barbituric acid is a barbiturate, the structure of which is that of perhydropyrimidine substituted at C-2, -4 and -6 by oxo groups. Barbituric acid is the parent compound of barbiturate drugs, although it is not itself pharmacologically active. It has a role as an allergen and a xenobiotic. It is a conjugate acid of a barbiturate, a barbiturate(2-) and a barbiturate(1-).

氨二乙酸或亚氨基二乙酸是一种有机化合物，化学式为HN(CH2CO2H)2，缩写为IDA。它和氯化亚砜反应后再与乙醇反应，可以得到氨二乙酸二乙酯盐酸盐。

D-norpseudoephedrine, also known as cathine and (+)-norpseudoephedrine, is a psychoactive drug of the phenethylamine and amphetamine chemical classes which acts as a stimulant. Along with cathinone, it is found naturally in Catha edulis (khat), and contributes to its overall effects. It has approximately 7-10% the potency of amphetamine.

地氯雷他定（Desloratadine），又稱AERIUS (先靈葆雅)/DENOSIN (美時)，屬於三環長效型的組織胺拮抗劑(Antagonist)，選擇性作用在H1接受體。接受體結合數據顯示若在濃度2-3ng/ml(7nmol)，與人類組織胺H1接受體會產生有意義的交互作用。 Desloratadine能抑制組織胺並且會由人類肥大細胞(mast cell)釋出。 Desloratadine不會通過大腦血管障壁(blood brain barrier; BBB)。

Epitestosterone is an androstanoid that is the C-17 epimer of testosterone. It has a role as an androgen antagonist and a human metabolite. It is an androstanoid, a 17alpha-hydroxy steroid and a 3-oxo-Delta(4) steroid.

吐根碱是一种抗原虫药和呕吐诱导药物，它提取自吐根树，并以其催吐药性而命名。

Actinidine is a member of the class of cyclopentapyridines that is 6,7-dihydrocyclopenta[c]pyridine bearing two methyl substituents at positions 4 and 7. It has a role as a plant metabolite and a pheromone. It is a cyclopentapyridine and a pyridine alkaloid.

猕猴桃碱（英語：Actinidine）是一种环烯醚萜化合物，由多种植物和动物在自然界中产生。它是第一个被发现的环戊单萜生物碱。它是可从缬草（Valeriana officinalis）根和葛枣猕猴桃（Actinidia polygama）以及几种处于幼虫和成虫阶段的昆虫中提取的化合物之一。猕猴桃碱是一种猫引诱剂，其作用类似于猫薄荷中的活性化合物荆芥内酯。 某些竹节虫物种，包括Megacrania batesii和津田氏大头䗛（Megacrania tsudai），具有化学防御机制，当受到捕食者威胁时，其前胸腺会分泌含猕猴桃碱的物质。

Butyl methacrylate is the organic compound with the formula C4H9O2CC(CH3)=CH2. A colorless liquid, it is a common monomer for the preparation of methacrylate polymers. It is typically polymerized under free-radical conditions.

二环己胺（英語：Dicyclohexylamine）是一种仲胺，带有二个环己基，分子式HN(C6H11)2。它在常温常压下为无色液体，但商品二环己胺通常带有黄色。它可用作合成其它化合物的前体。

Carnosic acid is an abietane diterpenoid that is abieta-8,11,13-triene substituted by hydroxy groups at positions 11 and 12 and a carboxy group at position 20. It is isolated from rosemary (Rosmarinus officinalis) and common sage (Salvia officinalis) and exhibits anti-angiogenic, antineoplastic, antioxidant and anti-HIV activity. It has a role as an antineoplastic agent, an antioxidant, a HIV protease inhibitor, an angiogenesis modulating agent, an apoptosis inducer, a plant metabolite, an anti-inflammatory agent and a food preservative. It is an abietane diterpenoid, a carbotricyclic compound, a member of catechols and a monocarboxylic acid. It is a conjugate acid of a carnosate.

松三糖（Melezitose）為一種非還原三糖，可從數種樹的汁液中被萃取出來，如落葉松或是黃杉。松三糖可以部份被水解成葡萄糖和松二糖。（松二糖為蔗糖的同分異構體） 配合其他的生化檢驗方式，藉由是否利用松三糖，可辨認Klebsiella和Raoultella兩種不同屬的細菌。

Bradykinin is a linear nonapeptide messenger belonging to the kinin group of proteins, with amino acid sequence RPPGFSPFR. Enzymatically produced from kallidin in the blood, it is a powerful vasodilator that causes smooth muscle contraction, and may mediate inflammation. It has a role as a human blood serum metabolite and a vasodilator agent. It is a tautomer of a bradykinin(2+).

氟曲马唑（英語：Flutrimazole）是一种广谱抗真菌药，用于皮肤真菌病的局部治疗。氟曲马唑是一种咪唑衍生物，其抗真菌活性已在体外、体内得到证实，和克霉唑相近，比联苯苄唑要高。

Hexafluoroethane is the perfluorocarbon counterpart to the hydrocarbon ethane. It is a non-flammable gas negligibly soluble in water and slightly soluble in methanol. It is an extremely potent and long-lived greenhouse gas.

尿嘧啶（Uracil /ˈjʊərəsɪl/，简写U），是組成RNA的四种鹼基之一。在DNA的轉錄時取代 DNA 中的胸腺嘧啶（T），與腺嘌呤配對。将尿嘧啶甲基化即得胸腺嘧啶（即5-甲基尿嘧啶）。

Halofantrine is a drug used to treat malaria. Halofantrine's structure contains a substituted phenanthrene, and is related to the antimalarial drugs quinine and lumefantrine. Marketed as Halfan, halofantrine is never used to prevent malaria and its mode of action is unknown, although a crystallographic study showed that it binds to hematin in vitro, suggesting a possible mechanism of action. Halofantrine has also been shown to bind to plasmepsin, a haemoglobin degrading enzyme unique to the malarial parasites. Halofantrine was developed at SRI International for the Walter Reed Army Institute of Research from 1965 to 1975 by a team led by medicinal chemist William Colwell.

茜素自古就在中亚、埃及、欧洲和中国被作为红色染料使用。1804年英国的乔治·菲尔德发现 用明矾水溶液处理茜素后， 茜素会发生色淀，变为不溶的固体染料，从而延长了它作为染料的使用寿命。用其他金属盐代替明矾，可以得到其他颜色的染料。 1826年，法国的皮埃尔-让-洛比克确认了茜草根部含有两种染料，即茜素红及红紫素（羟基茜素）。

Manganese dioxide is a manganese molecular entity with formula MnO2. It is a manganese molecular entity and a metal oxide.

喹唑啉（Quinazoline）是一种杂环化合物，化学式C8H6N2，由一个苯环与一个嘧啶环稠合而成。喹唑啉也可看做萘环的两个CH被N原子替换，这样的结构称为萘啶。

Hydroxycitronellal (7-hydroxy-3,7-dimethyloctanal) is an odorant used in perfumery. Its molecular formula is C10H20O2. It derives from a citronellal. 7-Hydroxy-3, 7-dimethyloctanal, also known as 3, 7-dimethyl-7-hydroxyoctan-1-al or 7-hydroxycitronellal, belongs to the class of organic compounds known as medium-chain aldehydes. It has a sweet floral odor with citrus and melon undertones.

喹吖啶酮（英語：Quinacridone）是一类有机染料。通常情况下特指紫色的线型反式喹吖啶酮，系统名：喹啉并-[2,3-b]-吖啶-5,12-二氢-7,14-二酮，又称颜料紫19。 喹吖啶酮颜料为非水溶性颜料，其有多种衍生物，并广泛应用于工业着色剂，如户外涂料、彩色打印墨水、纹身墨水、水彩颜料等。

L-glutamine is an optically active form of glutamine having L-configuration. It has a role as an EC 1.14.13.39 (nitric oxide synthase) inhibitor, a nutraceutical, a micronutrient, a human metabolite, a Saccharomyces cerevisiae metabolite, an Escherichia coli metabolite and a mouse metabolite. It is a glutamine family amino acid, a proteinogenic amino acid, a glutamine and a L-alpha-amino acid. It is a conjugate base of a L-glutaminium. It is a conjugate acid of a L-glutaminate. It is an enantiomer of a D-glutamine. It is a tautomer of a L-glutamine zwitterion.

1,2-二氢苊（è）（英語：Acenaphthene，部分文献将其译作苊，或简称为二氢苊），是一种多環芳香烃，由萘和1和8位連接的乙烯橋組成。它是一種無色固體。煤焦油中含有約0.3%的1,2-二氢苊。 1,2-二氢苊一般从煤焦油中提取，氧化后将形成1,8-萘二甲酸酐和萘醌。

Rebeccamycin is an N-glycosyl compound consisting of a heteropolycyclic ring system with a glucosyl group attached to one of the indolic nitrogens. It is a N-glycosyl compound, an indolocarbazole, an organochlorine compound and an organic heterohexacyclic compound.

碳酸二乙酯（英語：Diethyl carbonate）是乙醇的二碳酸酯，常温下为无色清澈液体。主要用作硝酸纤维素、树脂和一些药物（如红霉素）的溶剂，及有机合成（如苯巴比妥、除虫菊酯）的中间体。 它还可用在锂电池的电极上。

Hydralazine, sold under the brand name Apresoline among others, is a medication used to treat high blood pressure and heart failure. This includes high blood pressure in pregnancy and very high blood pressure resulting in symptoms. It has been found to be particularly useful in heart failure, together with isosorbide dinitrate, for treatment of people of African descent. It is given by mouth or by injection into a vein. Effects usually begin around 15 minutes and last up to six hours. Common side effects include headache and fast heart rate. It is not recommended in people with coronary artery disease or in those with rheumatic heart disease that affects the mitral valve. In those with kidney disease a low dose is recommended. Hydralazine is in the vasodilator family of medications, so it is believed to work by causing the dilation of blood vessels. Hydralazine was discovered while scientists at Ciba were looking for a treatment for malaria. It was patented in 1949. It is on the World Health Organization's List of Essential Medicines. In 2022, it was the 121st most commonly prescribed medication in the United States, with more than 5 million prescriptions.

并五苯（英語：Pentacene）是一种五个苯环由直线状稠合组成的一种多环芳香烃，化学式C22H14。并五苯对光和氧气敏感，市售并五苯常因氧化而表面带绿色。并五苯是一种有机半导体。

Triphenylene is an ortho-fused polycyclic arene consisting of four fused benzene rings.

羽扇豆碱（英語：lupinine），即(1R,9aR)-八氢-2H-喹嗪-1-甲醇，是一种有机化合物，化学式为C10H19NO。它可以三烷基硅氧基呋喃为原料合成得到。它和甲磺酰氯在三乙胺存在下于二氯甲烷中反应，可以得到羽扇豆碱甲磺酸酯。它和碘甲烷在丙酮中反应，可以得到N-甲基羽扇豆碱鎓碘化物。

Aprobarbital is a member of the class of barbiturates that is pyrimidine-2,4,6(1H,3H,5H)-trione substituted by an isopropyl and a prop-1-en-3-yl group at position 5.

麦司明（英語：Myosmine）是一种含氮有机化合物，化学式C9H10N2，是一种存在于烟叶以及其它植物中的生物碱，结构上与尼古丁类似，对芳香化酶的抑制能力强于尼古丁。

Isoprene is a hemiterpene with the formula CH2=C(CH3)CH=CH2; the monomer of natural rubber and a common structure motif to the isoprenoids, a large class of other naturally occurring compounds. It has a role as a plant metabolite. It is an alkadiene, a hemiterpene and a volatile organic compound.

盐酸伪麻黄碱（pseudoephedrine hydrochloride）与硫酸伪麻黄碱（pseudoephedrine sulfate）经常与一些其它药物，诸如抗组胺药、愈创甘油醚、右美沙芬、扑热息痛等混合作为复方非处方药使用。

Benzaldehyde is an arenecarbaldehyde that consists of benzene bearing a single formyl substituent; the simplest aromatic aldehyde and parent of the class of benzaldehydes. It has a role as a flavouring agent, a fragrance, an odorant receptor agonist, a plant metabolite, an EC 3.5.5.1 (nitrilase) inhibitor and an EC 3.1.1.3 (triacylglycerol lipase) inhibitor.

毒扁豆碱（英語：physostigmine，eserine）是天然生物鹼，在毒扁豆（在西非称为 éséré）中萃取，可作拟副交感神经药，是可逆性胆碱酯酶抑制剂，对军事失能剂毕兹（BZ）有特殊且特效的解毒作用。

Cyclohexane is a cycloalkane with the molecular formula C6H12. Cyclohexane is non-polar. Cyclohexane is a colourless, flammable liquid with a distinctive detergent-like odor, reminiscent of cleaning products (in which it is sometimes used). Cyclohexane is mainly used for the industrial production of adipic acid and caprolactam, which are precursors to nylon. Cyclohexyl (C6H11) is the alkyl substituent of cyclohexane and is abbreviated Cy.

唑吡坦（英語：Zolpidem）是一種Z-drugs安眠藥，約在口服三十分鐘之內起效，藥效維持兩至三小時。市場上常見的藥名包括、Adormix、Ambien、Ambien CR、Edluar、Damixan、Ivedal、Nytamel、Stilnoct、Stilnox、Sucedal、Zoldem、Zolnod及Zolpihexal等，中國大陸商品名為思諾思（英語：Stilnox），台灣則有佐沛眠（英語：Zolpium）、使蒂諾斯等名稱。

Lenthionine is a pentathiepane.

肠内酯（英語：Enterolactone）是一种有机化合物，属于一种肠木脂素，化学式为C18H18O4。它是由肠道细菌分解食物中存在的植物木脂素产生。

Ketoconazole, sold under the brand name Nizoral among others, is an antiandrogen, antifungal, and antiglucocorticoid medication used to treat a number of fungal infections. Applied to the skin it is used for fungal skin infections such as tinea, cutaneous candidiasis, pityriasis versicolor, dandruff, and seborrheic dermatitis. Taken by mouth it is a less preferred option and only recommended for severe infections when other agents cannot be used. Other uses include treatment of excessive male-patterned hair growth in women and Cushing's syndrome. Common side effects when applied to the skin include redness. Common side effects when taken by mouth include nausea, headache, and liver problems. Liver problems may result in death or the need for a liver transplantation. Other severe side effects when taken by mouth include QT prolongation, adrenocortical insufficiency, and anaphylaxis. It is an imidazole and works by hindering the production of ergosterol required for the fungal cell membrane, thereby slowing growth. Ketoconazole was patented in 1977 by Belgian pharmaceutical company Janssen, and came into medical use in 1981. It is available as a generic medication and formulations that are applied to the skin are over the counter in the United Kingdom. In 2022, it was the 175th most commonly prescribed medication in the United States, with more than 2 million prescriptions. The formulation that is taken by mouth was withdrawn in the European Union and in Australia in 2013, and in China in 2015. In addition, its use was restricted in the United States and Canada in 2013.

利扎曲坦 （英語：Rizatriptan，或译为利扎曲普坦）是一种曲坦类5-HT1激动剂，由默克药厂为治疗偏头痛而开发，商品名Maxalt。

Nortriptyline is an organic tricyclic compound that is 10,11-dihydro-5H-dibenzo[a,d][7]annulene substituted by a 3-(methylamino)propylidene group at position 5. It is an active metabolite of amitriptyline. It has a role as a drug metabolite, an antidepressant, an adrenergic uptake inhibitor, an analgesic, an antineoplastic agent and an apoptosis inducer. It is an organic tricyclic compound and a secondary amine. It is functionally related to an amitriptyline. It derives from a hydride of a dibenzo[a,d][7]annulene.

去甲替林（英語：Nortriptyline，商品名Pamelor）是一种有机化合物，分子式C19H21N，为阿米替林的代谢产物，是一种三环类抗抑郁药（TCA）。

Beta-Sitosterol is a natural product found in Sambucus chinensis, Erythrophleum fordii, and other organisms with data available.

组氨酸甲酯（英語：Histidine methyl ester，缩写HME）是一种氨基酸酯，化学式为C7H11N3O2，可作为组氨酸脱羧酶的不可逆抑制剂。它和苯甲醛反应，经氰基硼氢化钠还原， 可以得到N-苄基组氨酸甲酯。

Deferiprone is a member of the class of 4-pyridones that is pyridin-4(1H)-one substituted at positions 1 and 2 by methyl groups and at position 3 by a hydroxy group. A lipid-soluble iron-chelator used for treatment of thalassaemia. It has a role as an iron chelator and a protective agent.

六氰合铁(III)酸盐是三价铁的氰配合物，化学式为[Fe(CN)6]3−，又称铁氰酸盐或铁(III)氰化物。最常见的铁氰酸盐是铁氰酸钾（铁氰化钾）。

Paraoxon is an aryl dialkyl phosphate where both the alkyl groups are ethyl and the aryl group is 4-nitrophenyl. It has a role as an EC 3.1.1.7 (acetylcholinesterase) inhibitor and a mouse metabolite. It is an aryl dialkyl phosphate and an organophosphate insecticide.

對氧磷（paraoxon），是一種有機磷化合物，以往常用來作為杀虫剂的有機磷酸鹽膽碱脂酶抗化劑使用，是殺蟲藥有機磷酸鹽和殺蟲藥巴拉松的活躍新陳代謝產物，其利用最有危害的乙醯膽鹼酯酶，大約有70%的效能像神經毒氣沙林一樣的影響力。由於對人類和其他動物有毒害風險，近年來已極少使用。對氧磷也被當作對抗青光眼的一種眼科藥物使用。對氧磷通過皮膚容易被吸收，曾被用為南非種族隔離時代的化學武器。

Metformin, sold under the brand name Glucophage, among others, is the main first-line medication for the treatment of Type 2 diabetes, particularly in people who are overweight. It is also used in the treatment of polycystic ovary syndrome, and is sometimes used as an off-label adjunct to lessen the risk of metabolic syndrome in people who take antipsychotic medication. It has been shown to inhibit inflammation, and is not associated with weight gain. Metformin is taken by mouth. Metformin is generally well tolerated. Common adverse effects include diarrhea, nausea, and abdominal pain. It has a small risk of causing low blood sugar. High blood lactic acid level (acidosis) is a concern if the medication is used in overly large doses or prescribed in people with severe kidney problems. Metformin is a biguanide anti-hyperglycemic agent. It works by decreasing glucose production in the liver, increasing the insulin sensitivity of body tissues, and increasing GDF15 secretion, which reduces appetite and caloric intake. Metformin was first described in scientific literature in 1922 by Emil Werner and James Bell. French physician Jean Sterne began the study in humans in the 1950s. It was introduced as a medication in France in 1957. It is on the World Health Organization's List of Essential Medicines. It is available as a generic medication. In 2022, it was the second most commonly prescribed medication in the United States, with more than 86 million prescriptions. In Australia, it was one of the top 10 most prescribed medications between 2017 and 2023.

替拉曲可，英文：Tiratricol （也称为：替拉曲考，TRIAC或三碘甲状腺乙酸），是一种甲状腺激素类似物。三碘甲状腺乙酸也是一种生理性甲状腺激素，它以低浓度存在于正常生物体中。

Hexadecane is a straight-chain alkane with 16 carbon atoms. It is a component of essential oil isolated from long pepper. It has a role as a plant metabolite, a volatile oil component and a non-polar solvent.

胆碱（英語：Choline），是一种甜菜碱、营养素，為构成细胞膜磷脂質的重要成分，也是人體合成甘胺酸的原料之一，广泛存在于各种食物中。1864年由 Andreas Strecker 从猪胆汁中首先分离出来，1866年被化学合成。体内的胆碱有很大一部分来源于食物。它在大肠中被分解为三甲胺。胆碱以往被归为维生素B之一，但目前认为它是具有氨基酸样代谢的营养素。

Tetrachloroethylene is a natural product found in Gossypium hirsutum with data available.

异紫花前胡内酯（英語：Marmesin或nodakenetin）是一种有机化合物，分子式C14H14O4，是补骨脂素和其他呋喃香豆素生物合成的前体。

Isocoumarin is the simplest member of the class of isocoumarins that is 1H-isochromene which is substituted by an oxo group at position 1. It derives from a hydride of a 1H-isochromene.

4-庚酮或庚-4-酮是一种有机化合物，化学式为(CH3CH2CH2)2CO，是庚酮的异构体之一。它是一种无色液体。

Glycine is the simplest (and the only achiral) proteinogenic amino acid, with a hydrogen atom as its side chain. It has a role as a nutraceutical, a hepatoprotective agent, an EC 2.1.2.1 (glycine hydroxymethyltransferase) inhibitor, a NMDA receptor agonist, a micronutrient, a fundamental metabolite and a neurotransmitter. It is an alpha-amino acid, a serine family amino acid and a proteinogenic amino acid. It is a conjugate base of a glycinium. It is a conjugate acid of a glycinate. It is a tautomer of a glycine zwitterion.

间羟胺（INN：metaraminol），以前以Aramine等商品名出售，是间羟基去甲麻黄碱（3,β-二羟基苯丙胺）的立体异构体，是一种有效的拟交感胺，用于预防和治疗低血压，特别是作为并发症麻醉。它是一种α1-肾上腺素受体激动剂，具有一定的β肾上腺素作用。 目前Slayback Pharma以通用名来销售该药物。

Calcium stearate is an organic calcium salt of stearic acid. It is a component of some lubricants and surfactants. It contains an octadecanoate.

絲氨酸（英語：serine，三字代码：Ser，一字代码：S）是一種非必需的基本氨基酸，中心碳原子帶有羥甲基側鏈，為極性氨基酸。其密码子为UCU、UCC、UCA、UCG、AGU与AGC。絲氨酸富含於鸡蛋、鱼和黃豆。絲氨酸可促進脂肪和脂肪酸的新陳代謝，有助於維持免疫系統。其在醫藥上有著廣泛用途。

Parathion, also called parathion-ethyl or diethyl parathion, is an organophosphate insecticide and acaricide. It was originally developed by IG Farben in the 1940s. It is highly toxic to non-target organisms, including humans, so its use has been banned or restricted in most countries. In response to safety concerns, the less toxic but still dangerous analogue parathion methyl was later developed.

莽草酸（3,4,5-三羟基-1-环己烯-1-甲酸）是一种易溶于水的白色晶体粉末。它因最早分离自日本莽草而得名，是一种植物和微生物的重要代谢产物。

Amosulalol is a sulfonamide.

N-甲基牛磺酸（2-甲基胺基乙磺酸）是一种胺基磺酸，在晶体和极性溶液状态中以两性离子的形式存在（就像氨基酸一样）。与更常出现的牛磺酸相比，N-甲基牛磺酸在大自然里只在红藻中发现；它由将牛磺酸甲基化形成。它适合与长链羧酸酯化（实际上是酰胺的形成），制得牛磺酸酯，因为它具有很高的极性，而且其碱土金属盐相当易溶。它的碱土金属盐也用作阴离子表面活性剂。

Diphenyl disulfide is a member of benzenes.

二苯基二硫醚是一种有机化合物，化学式为(C6H5S)2，可简写为Ph2S2。

Citronellal or rhodinal (C10H18O) is a monoterpenoid aldehyde, the main component in the mixture of terpenoid chemical compounds that give citronella oil its distinctive lemon scent. Citronellal is a main isolate in distilled oils from the plants Cymbopogon (excepting C. citratus, culinary lemongrass), lemon-scented gum, and lemon-scented teatree. The (S)-(−)-enantiomer of citronellal makes up to 80% of the oil from kaffir lime leaves and is the compound responsible for its characteristic aroma. Citronellal has insect repellent properties, and research shows high repellent effectiveness against mosquitoes. Another research shows that citronellal has strong antifungal qualities.

哌啶（Piperidine），又称六氢吡啶、氮杂环己烷，是一个杂环化合物，分子式为(CH2)5NH。它是一个仲胺，可看作环己烷一个碳被氮替代后形成的化合物，即氮杂环己烷。室温下为无色发烟液体，有类似氨、胡椒和人類精液的刺激性气味，广泛应用在有机合成，尤其是药物合成中。亦可用于DNA测序。

Trimethadione is an oxazolidinone that is 1,3-oxazolidine-2,4-dione substituted by methyl groups at positions 3, 5 and 5. It is an antiepileptic agent. It has a role as a geroprotector and an anticonvulsant.

2-羟基-4-甲氧基苯甲醛是一种有机化合物，化学式为C8H8O3。它可由3-甲氧基苯酚在氯化镁和三乙胺的存在下和甲醛在四氢呋喃中回流反应得到。它可用作药物中间体。它和羟胺反应，可以得到2-羟基-4-甲基苯甲醛肟。

Dichloroacetic acid (DCA), sometimes called bichloroacetic acid (BCA), is the organic compound with formula CHCl2CO2H. It is an analogue of acetic acid, in which 2 of the 3 hydrogen atoms of the methyl group have been replaced by chlorine atoms. Like the other chloroacetic acids, it has various practical applications. The salts and esters of dichloroacetic acid are called dichloroacetates.

蝙蝠葛鹼（英語：Dauricine）又稱作山豆根鹼，是一種鈣通道阻滯藥。它是主要的毒素使北美攀緣植物美國蝙蝠葛(Menispermum canadense)具有毒性（通常會致命）。

Methoxychlor is an organochlorine insecticide. It is functionally related to a 1,1,1-trichloro-2,2-diphenylethane.

胱硫醚 （Cystathionine）是一种半胱氨酸合成代谢的中间产物。

Hyocholic acid is a trihydroxy-5beta-cholanic acid in which the three hydroxy substituents are located at the 3alpha-, 6alpha- and 7alpha-positions. It has a role as a mouse metabolite, a human urinary metabolite and a rat metabolite. It is a C24-steroid, a 6alpha-hydroxy steroid, a 7alpha-hydroxy steroid and a member of muricholic acids. It is a conjugate acid of a hyocholate.

猪胆酸（英語：Hyocholic acid，也被称为3α,6α,7α-三羟基-5β-胆烷-24-羧酸，3α,6α,7α-trihydroxy-5β-cholan-24-oic acid）是猪胆汁酸的主要成分，在人类胆汁酸中有很低的浓度。猪胆酸和人类胆汁酸的主要成分之一胆酸的不同在于第三个羟基基团位于6-号碳原子的α-位而不是12α位。人类胆汁酸的另一种主要成分鹅去氧胆酸则既没有6-号位也没有12-号位的羟基基团。另外，猪胆酸也和大鼠的鼠胆酸不同，α和β鼠胆酸的6号位都为6β-羟基。

Nordihydroguaiaretic acid is a natural product found in Arabidopsis thaliana, Magnolia sinica, and other organisms with data available.

槟榔碱是一种有机化合物，化学式为C8H13NO2。它可以3-甲氧羰基-1-甲基吡啶鎓碘化物和硼氢化钠的还原反应制得。它和三氟过氧乙酸反应，生成相应的环氧化物。

Succinic semialdehyde is an aldehydic acid. It has a role as an Escherichia coli metabolite and a mouse metabolite. It is a conjugate acid of a 4-oxobutanoate.

依美斯汀（emedastine），商品名埃美丁（Emadine），是第二代抗組織胺，可用作眼藥水以減緩過敏性結膜炎的症狀。依美斯汀屬於H1 接收器抑制劑。藉由抑制組織胺的作用來減緩過敏性結膜炎的症狀。當依美斯汀用作眼藥水時，會以雙延胡索酸鹽（difumarate）的形式存在。

Methylglyoxal is a natural product found in Arabidopsis thaliana, Homo sapiens, and other organisms with data available.

丙环定（英語：Procyclidine）是一种含氮有机化合物，分子式C19H29NO，通常以盐酸盐的形式存在，可作为抗膽鹼劑。

Sodium tungstate is an inorganic sodium salt having tungstate as the counterion. Combines with hydrogen peroxide for the oxidation of secondary amines to nitrones. It has a role as a reagent. It contains a tungstate.

去甲變腎上腺素 (英語：Normetanephrine)是去甲肾上腺素經由儿茶酚-O-甲基转移酶作用產生的代謝物。由尿液排泄。它是釋放兒茶酚胺的腫瘤的標記物，如嗜铬细胞瘤。

1-benzofuran is a benzofuran consisting of fused benzene and furan rings. It is the parent compound of the class of 1-benzofurans. It is a benzofuran and a member of 1-benzofurans.

玉米赤霉酮（ZAN）是一种半合成真菌雌激素，是玉米赤霉烯酮（ZEN）的衍生物。玉米赤霉酮是从藥用植物和食用植物中，和另一种称为黃麴黴毒素的物质通过特定的免疫亲和柱同时提取的。玉米赤霉酮有六个类似物：玉米赤霉烯酮、玉米赤霉酮、α-玉米赤霉醇、β-玉米赤霉醇、α-玉米赤霉烯醇和β-玉米赤霉烯醇。

Phenylacetaldehyde is an aldehyde that consists of acetaldehyde bearing a methyl substituent; the parent member of the phenylacetaldehyde class of compounds. It has a role as a human metabolite, a Saccharomyces cerevisiae metabolite, an Escherichia coli metabolite and a mouse metabolite. It is an alpha-CH2-containing aldehyde and a member of phenylacetaldehydes.

在澳大利亚的昆士蘭，有關種植澳大利亚坚果時能否使用多菌靈有爭議，因為有研究利用實驗室動物作實驗，發現高劑量的多菌靈會破壞動物的睪丸，引致不育。現時的解決方法是限制它的最高殘留量（MRLs）：在歐盟，一般新鮮水果的最高殘留量為0.1至0.7 mg/kg，但枇杷則可放寬至2 mg/kg。對於經常食用的柑橘類或梨果類水果，最高殘留量更為嚴格，只能在0.1到0.2 mg/kg之間。

Flavan is the simplest member of the class of flavans that is chromane substituted by a phenyl group at position 2.

乙苯（英語：Ethylbenzene，分子式：C6H5CH2CH3）是一个芳香族的有机化合物。它是一种无色极易燃的液体，有汽油味。乙苯在石油化工业中非常重要，因为它可以用来制备苯乙烯——常见塑料材料聚苯乙烯的前体。2012年，有超过99%的乙苯都用来制造苯乙烯。

Meclizine is a diarylmethane.

香芹醇（英语：Carveol），也叫葛缕醇，是一种天然不饱和单环单萜醇，是留兰香精油的成分，呈顺式-(−)-香芹醇形式。它是一种无色液体，可溶于油，但不溶于水，具有类似于留兰香和香菜的气味和味道。因此，它被用作化妆品中的香料和食品工业中的风味添加剂。 已发现它具有对乳癌的化学预防作用。 α-反式-二羟基衍生物，(1R,2R,6S)-3-甲基-6-(丙-1-烯-2-基)环己-3-烯-1,2-二醇，在动物模型中具有有效的抗帕金森病活性。

Ethyl heptanoate is the ester resulting from the condensation of heptanoic acid and ethanol. It is used in the flavor industry because of its odor that is similar to grape.

泊马度胺（英語：Pomalidomide，商品名有Pomalyst、Imnovid）是一种含氮有机化合物，化学式为C13H11N3O4，可作为化疗药物，用于治疗多發性骨髓瘤和AIDS相关的卡波西肉瘤。

Quinoline is a heterocyclic aromatic organic compound with the chemical formula C9H7N. It is a colorless hygroscopic liquid with a strong odor. Aged samples, especially if exposed to light, become yellow and later brown. Quinoline is only slightly soluble in cold water but dissolves readily in hot water and most organic solvents. Quinoline itself has few applications, but many of its derivatives are useful in diverse applications. A prominent example is quinine, an alkaloid found in plants. Over 200 biologically active quinoline and quinazoline alkaloids are identified. 4-Hydroxy-2-alkylquinolines (HAQs) are involved in antibiotic resistance.

氨来呫诺（英語：Amlexanox，商品名：Aphthasol）是一种含氮有机化合物，分子式C16H14N2O4，可作为抗炎性抗过敏免疫调节剂，用以治疗阿弗他口炎。

Ethyl butyrate, also known as ethyl butanoate, or butyric ether, is an ester with the chemical formula CH3CH2CH2COOCH2CH3. It is soluble in propylene glycol, paraffin oil, and kerosene. It has a fruity odor, similar to pineapple, and is a key ingredient used as a flavor enhancer in processed orange juices. It also occurs naturally in many fruits, albeit at lower concentrations.

咖啡因是一种中枢神经兴奋剂，能暫時地驱走睡意并恢复精力，所以人们在从事思考、阅读、会议等脑力劳动时，有时会选择摄入咖啡因来提神。有咖啡因成分的咖啡、茶、软饮料及能量饮料十分畅销，因此也有一定的成癮性（Coffee addiction），咖啡因也是世界上最普遍被使用的精神药品。在北美，90%成年人每天都會需要攝食咖啡因。

16-hydroxytabersonine is a monoterpenoid indole alkaloid, a methyl ester and an organic heteropentacyclic compound. It is functionally related to a tabersonine. It is a conjugate base of a 16-hydroxytabersoninium.

苊（英語：Acenaphthylene）也常作苊烯，又称萘并乙烯、1,8-亚乙基萘。是一种含有萘环并通过乙烯桥连萘环1位和8位的多环芳烃类有机化合物。它是煤焦油的成分之一，通过氢化还原分子中的乙烯结构能得到苊。不同于其他大多数多环芳烃化合物，苊烯不发出荧光。

Diethyl sulfate (DES) is an organosulfur compound with the formula (C2H5)2SO4. It occurs as a colorless, oily liquid with a faint peppermint odor. It is toxic, combustible, and likely carcinogenic chemical compound. Diethyl sulfate is used as an ethylating agent.

吡拉西坦（INN：piracetam）是γ-氨基丁酸的环状衍生物，可能可以改善脑缺氧及物理、化学因素所造成的脑损伤。主要用于脑动脉硬化及脑血管意外所致的记忆和思维功能减退。由Corneliu E. Giurgea于1950年代首次发现。在中国，吡拉西坦作为药品的商品名有脑复康等。

Moxaverine is a member of isoquinolines.

瑞芬太尼（英語：Remifentanil）是一種強效、短效的合成鴉片類鎮痛藥。它在手術期間給予患者以減輕疼痛并作為麻醉劑的輔助手段。瑞芬太尼用於鎮靜以及與其他藥物聯合用於全身麻醉。由於瑞芬太尼與多種安眠藥和揮發性麻醉藥之間的協同作用，瑞芬太尼的使用使得大劑量阿片類藥物和小劑量催眠麻醉的使用成為可能。