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Ethoxyquin is a quinoline that is 1,2-dihydroquinoline bearing three methyl substituents at position 2, 2 and 4 as well as an ethoxy substituent at position 6. It has a role as a herbicide, an UDP-glucuronosyltransferase activator, a neuroprotective agent, a Hsp90 inhibitor, a genotoxin, a food antioxidant, a geroprotector and an antifungal agrochemical. It is a member of quinolines and an aromatic ether.

乙偶姻（英語：Acetoin），又稱3-羟基丁酮或乙酰甲基甲醇，是一種有機化合物，化学式为CH3CHOHCOCH3。它是一種無色液体，带有令人愉悦的黄油气味。它是一種手性分子。细菌產生的形式是(R)-乙偶姻。

Iodate is an iodine oxoanion and a monovalent inorganic anion. It is a conjugate base of an iodic acid.

三氯叔丁醇，分子式C4H7Cl3O。

Imipramine is a dibenzoazepine that is 5H-dibenzo[b,f]azepine substituted by a 3-(dimethylamino)propyl group at the nitrogen atom. It has a role as an adrenergic uptake inhibitor, an EC 3.4.21.26 (prolyl oligopeptidase) inhibitor and an antidepressant. It derives from a hydride of a 5H-dibenzo[b,f]azepine.

有机化学中，二氢卟吩是一种大型杂环化合物，具有一个芳香环作为核心，由3个吡咯与一个吡咯啉通过四个=CH-连接而成。不同于卟吩或卟啉的中央芳香环结构，二氢卟吩的芳香性不是通过环的整体周围。 含镁的二氢卟吩形成了叶绿素，是叶绿体的核心光敏色素。 相关的化合物，由两个吡咯与两个吡咯啉形成大环的分子称为细菌卟吩（bacteriochlorin）与异菌卟吩（isobacteriochlorin）。 由于具有光敏性，二氢卟吩用于试验性的光動力療法。

Triazane is a nitrogen hydride.

丙酮醛也称为甲基乙二醛（英語：Methylglyoxal，缩写MGO）是结构式为CH3C(O)CHO的有机化合物，是最简单的酮醛，可看作丙酮酸的还原产物，和糖尿病有关。

Rabeprazole is a member of benzimidazoles, a sulfoxide and a member of pyridines. It has a role as an EC 3.6.3.10 (H(+)/K(+)-exchanging ATPase) inhibitor and an anti-ulcer drug. It is a conjugate acid of a rabeprazole(1-).

雷贝拉唑（英語：Rabeprazole）是一种质子泵抑制剂（PPI）类胃酸抑制剂。由Eisai Co.公司开发并且现已广泛使用。

Phenazine is an organic compound with the formula (C6H4)2N2. It is a dibenzo annulated pyrazine, and the parent substance of many dyestuffs, such as the toluylene red, indulines, and safranines (and the closely related eurhodines). Phenazine crystallizes in yellow needles, which are only sparingly soluble in alcohol. Sulfuric acid dissolves it, forming a deep-red solution.

卡立普多（英语：Carisoprodol），也叫异丙基甲丁双脲、卡利普多、异庚二酯等，品牌名为Soma，是一种用于肌肉骨骼疼痛的药物。该最多只能使用三周。效果通常在半小时内开始，持续长达六个小时。该药物是口服的。 常见的副作用包括头痛、头晕和嗜睡。严重的副作用可能包括成瘾、过敏反应和癫痫发作。对于磺胺过敏的人，某些制剂可能会导致问题。怀孕和哺乳期间对该药物的使用的安全性尚不清楚。该药物的工作机制也还不清楚。它的一些作用被认为是在转化为甲丙氨酯后发生的。 卡立普多于1959年在美国被批准用于医疗用途。它在欧盟的批准于2008年撤回。它可作为通用药物使用。在2019年，它是美国第343位最常用的处方药，有超过80万张处方。在美国，它是附表IV受控物质。

Quinoline is a natural product found in Gymnodinium nagasakiense, Averrhoa carambola, and other organisms with data available.

乙二醇单甲醚，结构式HOCH2CH2OCH3。

Hexopyranose is a hexose.

哌卡嗪最早由Wilhelm Schuler和Otto Nieschulz于1953年合成得到，并迅速被作为镇静剂（字面意义上镇静剂，非广义上的安眠药或抑制剂）应用于精神科实践当中。尽管哌卡嗪强力的副交感神经抑制作用和抗胆碱作用导致本身镇静效果较弱和锥体外系症状风险低，但其仍被视作是氯丙嗪的替代品。

2-methoxyestrone is a 17-oxo steroid that is estrone in which the hydrogen at position 2 has been replaced by a methoxy group. It has a role as a human metabolite and a mouse metabolite. It is a 3-hydroxy steroid, a 17-oxo steroid, an alicyclic ketone, a member of phenols, an aromatic ether and a phenolic steroid. It is functionally related to an estrone.

甲醇（英語：Methanol），又稱羥基甲烷（英語：Methyl alcohol）、木醇（英語：wood alcohol）或木精（英語：wood spirits），是一种有机化合物，分子式為CH3OH，簡稱MeOH，是最簡單的醇類。甲醇有「木醇」與「木精」之名，源自於曾经其主要的生產方式是自木醋液（為木材乾餾或裂解的產物之一）萃取。現代甲醇是直接從一氧化碳，二氧化碳和氫的一個催化作用的工業過程中製造。

Clopidogrel is a thienopyridine that is 4,5,6,7-tetrahydrothieno[3,2-c]pyridine in which the hydrogen attached to the nitrogen is replaced by an o-chlorobenzyl group, the methylene hydrogen of which is replaced by a methoxycarbonyl group (the S enantiomer). A P2Y12 receptor antagonist, it is used to inhibit blood clots and prevent heart attacks. It has a role as a platelet aggregation inhibitor, an anticoagulant and a P2Y12 receptor antagonist. It is a thienopyridine, a member of monochlorobenzenes and a methyl ester. It is functionally related to a ticlopidine.

四膜虫醇（英語：Tetrahymanol，或称作伽马蜡烷-3β-醇，Gammaceran-3β-ol）是一种五环三萜醇，最早发现于海洋纤毛虫四膜蟲（Tetrahymena pyriformis）的细胞膜中，之后在其它纤毛虫、真菌、蕨类、细菌中都有发现。经过数百万年的成岩作用，海洋沉积物中的四膜虫醇会转化为对应的饱和烃类伽马蜡烷，可用于分析古代的海洋环境。

Cycloheptene is a 7-membered cycloalkene with a flash point of −6.7 °C. It is a raw material in organic chemistry and a monomer in polymer synthesis. Cycloheptene can exist as either the cis- or the trans-isomer.

醋氨苯砜（英语：Acedapsone）是一种抗菌药物，也具有抗疟活性。 醋氨苯砜是双乙酰氨苯砜的INN名。其于1937年由埃内斯特·富尔诺和他的团队在巴斯德研究所药物化学实验室合成开发，并由罗纳-普朗克公司以Rodilone的名称上市销售。 它是氨苯砜的长效前药，可用于治疗麻风病。 它从乙醚中结晶为浅黄色针状，从稀乙醇中结晶为小叶状。它微溶于水。

Fenvalerate is a carboxylic ester obtained by formal condensation between 2-(4-chlorophenyl)-3-methylbutyric acid and cyano(3-phenoxyphenyl)methanol. It has a role as a pyrethroid ester insecticide and a pyrethroid ester acaricide. It is a carboxylic ester, an aromatic ether and a member of monochlorobenzenes. It is functionally related to a 2-(4-chlorophenyl)-3-methylbutyric acid.

辛可宁（Cinchonine）是一种提取自正鸡纳树的生物鹼。在有机化学中用于不对称合成，例如其衍生物作为不对称迈克尔加成的催化剂。辛可尼定是其非对映异构体。

Famciclovir is a guanosine analogue antiviral drug used for the treatment of various herpesvirus infections, most commonly for herpes zoster (shingles). It is a prodrug form of penciclovir with improved oral bioavailability. Famciclovir is marketed under the trade name Famvir (Novartis). Famciclovir was patented in 1983 and approved for medical use in 1994. In 2007, the United States Food and Drug Administration approved the first generic version of famciclovir. Generic tablets are manufactured by TEVA Pharmaceuticals and Mylan Pharmaceuticals.

孕烯醇酮（英語：Pregnenolone，3-羟基孕固烯-20-酮）是一种涉及到孕酮、盐皮质激素、糖皮质激素、雄激素以及雌激素类固醇生成的类固醇激素，因此它是一种激素原。

Ytterbium is a lanthanoid atom and a f-block element atom.

三甲基锍盐是一类含有(CH3)3S+的离子化合物。 它可以和多种阴离子形成盐。

Minoxidil is a pyrimidine N-oxide that is pyrimidine-2,4-diamine 3-oxide substituted by a piperidin-1-yl group at position 6. It has a role as a vasodilator agent and an antihypertensive agent. It is a pyrimidine N-oxide, a member of piperidines and an aminopyrimidine.

尿苷（Uridine）是一種屬於核苷的化合物，由尿嘧啶與核糖（呋喃核糖）環組成，兩者由β-N1-配糖鍵相連。

Hydroquinone is a benzenediol comprising benzene core carrying two hydroxy substituents para to each other. It has a role as a cofactor, a carcinogenic agent, an Escherichia coli metabolite, a human xenobiotic metabolite, a skin lightening agent, an antioxidant and a mouse metabolite. It is a benzenediol and a member of hydroquinones.

奥芬太尼（INN：ocfentanil；也称A-3217）是一种在结构上与芬太尼相似的强效合成類阿片药物。它在2015年被中国列为管控物质，在2018年2月被美国列为I类管控药物。

Thietane is an organosulfur heterocyclic compound containing a saturated four membered ring with 3 carbon atoms and 1 sulfur atom. It has a role as a metabolite. It is an organosulfur heterocyclic compound and a saturated organic heteromonocyclic parent.

硝羟喹啉（英語：Nitroxoline，全称5-硝基-8-羟基喹啉，8-Hydroxy-5-nitroquinoline）是一种8-羟基喹啉衍生物类抗生素，分子式C9H6N2O3，在欧洲使用超过五十年，已经证明在对抗生物薄膜感染方面非常有效。

Sorafenib, sold under the brand name Nexavar, is a kinase inhibitor drug approved for the treatment of primary kidney cancer (advanced renal cell carcinoma), advanced primary liver cancer (hepatocellular carcinoma), FLT3-ITD positive AML and radioactive iodine resistant advanced thyroid carcinoma.

敌菌丹（英語：Captafol）,学名：N-1,1,2,2-四氯乙硫基四氢苯二甲酰亚胺，是一种广谱灭真菌剂，属三氯甲硫基类杀菌剂。除了白粉病，几乎可适用于所有植物真菌感染疾病。它被认为是一种致癌物，美国于1987年停止将其用作杀菌剂生产，但允许继续使用现有库存。直到1999年美国环境保护署禁止在洋葱、土豆和西红柿以外的所有作物上使用敌菌丹。2006年，甚至这些例外作物也被禁止，此后美国禁止在所有作物上使用敌菌丹。自2000年以来，其他几个国家也纷纷效仿，截至 2010年，还没有任何国家允许在粮食作物上使用敌菌丹。美国国立职业安全与健康研究所将敌菌丹皮肤推荐接触限值设定为 0.1 mg/m3。

Tridecan-1-ol is a long-chain primary fatty alcohol that is tridecane substituted by a hydroxy group at position 1. It has a role as a bacterial metabolite, a plant metabolite and a human metabolite. It is a tridecanol and a long-chain primary fatty alcohol.

硫酸脱氢表雄酮（英語：Dehydroepiandrosterone sulfate）又称硫酸去氫異雄固酮，缩写DHEAS 或 DHEA-S，是一种内源性雄烷衍生甾体物质，主要由腎上腺皮質合成。它是脱氢表雄酮（DHEA）的3β-硫酸酯和代謝產物，并在血液循环中有着更大的浓度。其激素效应不大，而是作为一种神经类固醇存在。

Neutral red is a hydrochloride obtained by combining the free base of neutral red with one equivalent of hydrochloric acid. Neutral red acts as a pH indicator, changing from red to yellow between pH 6.8 and 8.0. It has a role as a dye, an acid-base indicator and a two-colour indicator. It contains a neutral red(1+).

舍（shě）曲（qū）林（INN：sertraline）商品名左洛复（Zoloft）、彼迈乐，是一种选择性5-羟色胺再吸收抑制剂（SSRI）类抗抑郁药，1991年由辉瑞制药公司发明。舍曲林主要用于治疗成人重度抑郁症（MDD），也用来治疗儿童或成人的强迫症、恐慌症、社交恐惧症。在2013年，舍曲林是美国零售市场处方量最大的抗抑郁药与处方量第二大的精神类药物（在阿普唑仑之后），超过4100万的舍曲林被处方给患者。 舍曲林与其他新型抗抑郁药的差别并不大，并且多只局限于副作用。与其他SSRI相比，舍曲林的耐受性与其他药物无明显差别，通常都会导致一些不良反应如腹泻、恶心、震颤、性功能障碍和体重增加。舍曲林导致腹泻的几率通常比其他SSRI要高。

Triphenylethylene is a stilbenoid.

妥布霉素（tobramycin）也叫托普霉素，是一种氨基糖苷类抗生素，能用于治疗多种细菌感染，尤其是革兰氏阴性菌引起的感染。

Butyl acetate is the acetate ester of butanol. It has a role as a metabolite. It is functionally related to a butan-1-ol.

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。

Mosapride is a racemate comprising equimolar amounts of (R)- and (S)-mosapride. It is a gastroprokinetic agent which acts on 5-hydroxytryptamine type 4 (5-HT4) receptors in the gastrointestinal plexus, consequently increasing the release of acetylcholine and hence enhancing gastrointestinal motility and gastric emptying. It has a role as a gastrointestinal drug and a serotonergic agonist. It contains a (R)-mosapride and a (S)-mosapride.

二硫赤糖醇（英語：Dithioerythritol，缩写DTE，全称1,4-二硫代赤藓糖醇）是一种含硫有机化合物，化学式为C4H10O2S2，为赤藓糖醇（一种單醣赤藓糖的还原糖醇）的硫取代产物，与二硫苏糖醇（DTT）是差向异构体，常温常压下为固体，能溶于水和乙醇。

Biphenylene is an organic compound with the formula (C6H4)2. It is a pale, yellowish solid with a hay-like odor. Despite its unusual structure, it behaves like a traditional polycyclic aromatic hydrocarbon.

丙炔酸乙酯（英語：Ethyl propiolate）是一种化学式为HC2CO2C2H5的有机化合物，可看做丙炔酸和乙醇形成的酯，常温常压下为无色液体，可溶于有机溶剂。

Cyclooctyne is the cycloalkyne with a formula C8H12. Its molecule has a ring of 8 carbon atoms, connected by seven single bonds and one triple bond. Cyclooctyne is the smallest cycloalkyne that is stable enough to be isolated, although the chemical is still highly reactive. The alkyne region of the structure attempts to adopt a linear molecular geometry, but the nature of the ring creates substantial ring strain. As a result, cyclooctyne and other compounds containing this ring structure readily react in ways that reduce the ring strain by converting the alkyne to a functional group that does not require linear geometry. An important application of this reactivity is in click chemistry, where cyclooctynes undergo cycloaddition reactions with azides or nitrones, forming triazoles or isoxazolines, respectively.

乙二醇单丁醚，分子式C6H14O2，俗稱化白水。

Ethyl isovalerate is the fatty acid ethyl ester of isovaleric acid. It has a role as a metabolite. It is a fatty acid ethyl ester and an olefinic compound. It is functionally related to an isovaleric acid.

环己酮是六个碳的脂肪族环酮，室温下为无色油状液体，有类似薄荷油和丙酮的气味，久置颜色变黄。它微溶于水（5-10 g/100 ml），可与大多数有机溶剂混溶。

Repaglinide is an antidiabetic drug in the class of medications known as meglitinides, and was invented in 1983. Repaglinide is a medication used in addition to diet and exercise for blood sugar control in type 2 diabetes. The mechanism of action of repaglinide involves promoting insulin release from β-islet cells of the pancreas; like other antidiabetic drugs, a main side effect concern is hypoglycemia. It is sold by Novo Nordisk under the name of Prandin in the United States, Gluconorm in Canada, Surepost in Japan, Repaglinide in Egypt, and Novonorm elsewhere. In Japan it is produced by Dainippon Sumitomo Pharma.

保幼酮（英語：Juvabione）是一种有机化合物，化学式C16H26O3，能视为倍半萜椴松酸的甲酯，属于昆虫保幼激素的相似物，由植物合成抵御昆虫。

Beta-cellotriose is a cellotriose with a beta-configuration at the anomeric position.

乙酸薄荷酯，别名醋酸薄荷酯。

Zingerone, also called vanillylacetone, is a major flavor component of ginger, providing the sweet flavor of cooked ginger. Zingerone is a crystalline solid that is sparingly soluble in water and soluble in ether. Zingerone is similar in chemical structure to other flavor chemicals such as vanillin and eugenol. It is used as a flavor additive in spice oils and in perfumery to introduce spicy aromas. Fresh ginger does not contain zingerone, but it is produced by cooking or drying of the ginger root, which causes a reverse aldol reaction on gingerol.

一种放线植物粗枝木麻黄（Casuarina glauca） 在根部遭受弗兰克氏菌（Frankia）感染时会产生固氮结核，其中形成有黄烷的细胞层。

Thiocyanic acid is a natural product found in Brassica oleracea and Homo sapiens with data available.

巴尼地平（英語：barnidipine），又称美洛地平（英語：mepirodipine），是一种钙离子通道阻滞剂，属于1,4-二氢吡啶（DHP）类钙离子通道阻滞剂，可以用于高血压和心绞痛的治疗。它可由(4R)-1,4-二氢-2,6-二甲基-4-(3-硝基苯基)-3,5-吡啶二甲酸-3-甲酯和(3S)-N-苯甲基-3-吡咯烷醇为原料反应得到。

Nantenine is a natural product found in Stephania tetrandra, Platycapnos tenuiloba, and other organisms with data available.

硝羟喹啉（英語：Nitroxoline，全称5-硝基-8-羟基喹啉，8-Hydroxy-5-nitroquinoline）是一种8-羟基喹啉衍生物类抗生素，分子式C9H6N2O3，在欧洲使用超过五十年，已经证明在对抗生物薄膜感染方面非常有效。

Fulminate is a pseudohalide anion. It is a conjugate base of a fulminic acid and an isofulminic acid.

放线硫醇（英语：Mycothiol，缩写为MSH），也译作真菌硫醇、分支硫醇、AcCys-GlcN-Ins等，是放线菌中发现的一种不寻常的硫醇化合物。它由一个半胱氨酸残基和一个与葡萄糖胺连接的乙酰化氨基组成，然后与肌醇连接。氧化的二硫化物形式的放线硫醇（MSSM）称为放线硫酮，并被黄素蛋白放线硫酮还原酶还原为放线硫醇。放线硫醇生物合成和放线硫醇依赖性酶（例如放线硫醇依赖性甲醛脱氢酶和放线硫酮还原酶）已被认为是开发结核病治疗的良好药物靶点。

Streptomycin is a natural product found in Lyngbya majuscula, Senecio, and other organisms with data available.

使君子氨酸（英語：Quisqualic acid）是一种AMPA受体、红藻氨酸受体和I型代谢型谷氨酸受体的激动剂，也是已知最强的AMPA受体激动剂。由于它具有兴奋毒性，被广泛用于神经科学研究中，选择性地破坏大脑中的神经元或脊髓。使君子氨酸存在于使君子科物种的种子中。

Diazepam is a 1,4-benzodiazepinone that is 1,3-dihydro-2H-1,4-benzodiazepin-2-one substituted by a chloro group at position 7, a methyl group at position 1 and a phenyl group at position 5. It has a role as a xenobiotic, an environmental contaminant, an anxiolytic drug, an anticonvulsant and a sedative. It is a 1,4-benzodiazepinone and an organochlorine compound.

一硫化碳，分子式CS。无臭无味的红色粉末状晶体。分子量44.08。相对密度1.66。不溶于水、乙醇、松节油、苯，溶于乙醚、CS2、氨水与乙醇的混合液、硫化铵中。与硫混合加热可生成CS2和无色的晶体。

Arotinolol is a member of thiophenes and an aromatic amide.

二羟基丙酮，丙醣的一种，為白色潮解结晶粉末，有凉的甜味和特征性气味。是最简单的酮糖。无手性中心，故无光学活性。通常以二聚体存在，二聚体可缓慢溶于1份水与15份乙醇的混合液中。刚制备的二羟基丙酮可在溶液中迅速转化为单体，单体易溶于水、乙醇、乙醚和丙酮。可从甜菜和甘蔗等植物中提取，也可由甘油的温和氧化（如以过氧化氢为氧化剂，亚铁盐催化）得到，反应也会产生甘油醛。主要用作免晒助褐产品如防曬霜等的成分。

Bis(2-ethylhexyl) phthalate is a phthalate ester that is the bis(2-ethylhexyl) ester of benzene-1,2-dicarboxylic acid. It has a role as an apoptosis inhibitor, an androstane receptor agonist and a plasticiser. It is a phthalate ester and a diester.

香草醛（英語：Vanillin，通称香兰素），是一種白色至微黄色针状结晶的酚醛，化學式為C8H8O3，官能团包含醛基、羟基和醚键。香草醛是香荚兰豆的天然提取物主要成分，是重要的食用香料之一。现今人工合成的香草醛被廣泛应用于食品、饮料和医药领域的调香。 乙基香兰素的香气强度和留香时间都强于香兰素，是一种重要的人工合成香料。最初香草醛由天然原料丁香油中的丁香油酚出发合成，而今更经济的选择是制浆产业中的木质素法，或是以石油化工前体的愈创木酚和乙醛酸为原料的路线。据称，木质素法的合成香草素有更丰富的风味层次，而产生差异的原因是香草乙酮。

3beta-hydroxy-5alpha-pregnan-20-one is a 3-hydroxy-5alpha-pregnan-20-one.

胡薄荷酮（英语：Pulegone），也叫长叶薄荷酮或蒲勒酮，是一种天然存在的有机化合物，从多种植物的精油中提取，例如猫薄荷、辣薄荷和唇萼薄荷。它被归类为单萜。 胡薄荷酮是一种透明无色油状液体，具有类似于薄荷和樟脑的宜人气味。它用于调味剂、香水和芳香疗法。

Hexapropymate is a hypnotic/sedative. It has effects similar to those of barbiturates and was used in the 1970s-1980s in the treatment of insomnia before being replaced with newer drugs with improved safety profiles.

磷酸二氫銨又稱磷酸一銨，是一種白色的晶體，分子式為NH4H2PO4，可溶於水，微溶于乙醇。加熱會分解成偏磷酸铵（NH4PO3），可用氨水和磷酸反應製成，主要用於製造肥料及灭火器。

Pyrrolidine is a natural product found in Cannabis sativa, Vitis vinifera, and other organisms with data available.

吡咯烷（Pyrrolidine），又称四氫吡咯（Tetrahydropyrrole），是五元含氮的饱和杂环化合物。

Chloroacetonitrile is the organic compound with the formula ClCH2CN. A colorless liquid, it is derived from acetonitrile (CH3CN) by replacement of one H with Cl. In practice, it is produced by dehydration of chloroacetamide. The compound is an alkylating agent, and as such is handled cautiously. Chloroacetonitrile is also generated in situ by the reaction of acetonitrile with sulfur monochloride. A second chlorination gives dichloroacetonitrile, which undergoes cycloaddition with sulfur monochloride to give 4,5-dichloro-1,2,3-dithiazolium chloride: Cl2CHCN + S2Cl2 → [S2NC2Cl2]Cl + HCl

草脫淨（亞脫淨，英語：Atrazine，ATR）是一種三嗪類除草劑，在多國廣泛使用。屬於持久性有機污染物，因污染問題已經被歐盟禁止使用。中国大陆地区使用“莠去津”作为产品名称。

Bromomethane, commonly known as methyl bromide, is an organobromine compound with formula CH3Br. This colorless, odorless, nonflammable gas is produced both industrially and biologically. It is a recognized ozone-depleting chemical. It was used extensively as a pesticide until being phased out by most countries in the early 2000s. From a chemistry perspective, it is one of the halomethanes.

雄酮 （英語：androsterone，3α-hydroxy-5α-androstan-17-one），也称为“雄甾酮”，是具有较低雄激素活性的类固醇荷尔蒙。雄酮是肝脏中制造的睾固酮代谢物， 它的3-β异构体是表雄酮，5-β异构体是本胆烷醇酮，3β,5β-异构体是表本胆烷醇酮。

Methyl vinyl ketone is a natural product found in Zingiber mioga, Zanthoxylum schinifolium, and other organisms with data available.

二氢查耳酮（3′,5′-dihydroxy-2′,4′,6′-trimethoxydihydrochalcone、methyl linderone、5-hydroxy-6,7,8-trimethoxyflavone（alnetin）以及2′-hydroxy-3′,4′,5′,6′-tetramethoxydihydrochalcone(dihydrokanakugiol)可以在乌药青冈的树枝中被发现。

Equol is a member of hydroxyisoflavans.

原胆酸（英語：Apocholic acid或orthocholic acid，也称为脱水胆酸）是一种不饱和胆汁酸，发现于1920年代，通常由胆酸在细菌的作用下代谢形成，可能有致癌性。

Canadine is a berberine alkaloid that is 5,8,13,13a-tetrahydro-6H-[1,3]dioxolo[4,5-g]isoquino[3,2-a]isoquinoline substituted by methoxy groups at positions 9 and 10. It is a berberine alkaloid, an organic heteropentacyclic compound, an aromatic ether and an oxacycle.

匹氨西林（英語：Pivampicillin）是氨苄青霉素的叔戊酰氧甲酯。它是一种前体药物，由于与氨苄青霉素相比具有更高的亲脂性，因此被认为可以提高氨苄青霉素的口服生物利用度。

Diosgenin is a sapogenin that is spirostan which is substituted by a hydroxy group at the 3beta position, contains a double bond at the 5-6 position, and has R- configuration at position 25. A natural product found in Dioscorea (wild yam) species, it is used as the starting point for the commercial synthesis of a number of steroids, including cortisone, pregnenolone and progesterone. It has a role as an apoptosis inducer, an antiviral agent, an antineoplastic agent and a metabolite. It is a 3beta-sterol, a spiroketal, a hexacyclic triterpenoid and a sapogenin. It derives from a hydride of a spirostan.

肌肽（英語：carnosine），學名β-丙氨酰-L-組氨酸（β-alanyl-L-histidine），是一種由β-丙氨酸和L-組氨酸兩種氨基酸組成的二肽。肌肉和腦部的組織含有很高濃度的肌肽。

Hydrastine is a member of isoquinolines. It has a role as a metabolite.

3-羟基异丁酸 （英語：3-Hydroxyisobutyric acid，或者3-羟基-2甲基丙酸 英語：3-hydroxy-2-methylpropanoic acid）是缬氨酸的一种代谢中间产物。这是一个有两个对映异构体的手性化合物，分别为D-3-羟基异丁酸和L-3-羟基异丁酸。

Triethylphosphine is a tertiary phosphine.

氟甲砜霉素 (商品名：纽弗罗；砜/fēng/)，又名“氟氯霉素”或“氟苯尼考”；氟甲磺氯黴素，是甲砜霉素的单氟衍生物。氟甲砜霉素是一种能有效抑菌的氯霉素类广谱抗生素，抗菌活性强于氯霉素和甲砜霉素。氟甲砜霉素克服了氯霉素易产生耐药性和造成再生障碍性贫血的问题，具有抗菌谱广、口服吸收好、体内分布广泛、生物利用度高、应用安全等特点。

Methandriol (brand names Anabol, Crestabolic, Cytobolin, Diandren, Durabolic, Madiol, Mestenediol, Methabolic, Methydiol, Sterabolic, Stenediol), also known as methylandrostenediol, is an androgen and anabolic steroid (AAS) medication which was developed by Organon and is used in both oral and injectable (as methandriol dipropionate, methandriol propionate, or methandriol bisenanthoyl acetate) formulations. It is an orally active 17α-alkylated AAS and a derivative of the endogenous androgen prohormone androstenediol.

美雄醇（英語：Methandriol，INN,商品名为Crestabolic、Cytobolin、Diandren、Madiol、Stenediol或Mestenediol，也被称为甲基雄烯二醇，methylandrostenediol，或17α-甲基雄甾-5-烯-3β,17β-二醇，17α-methylandrost-5-ene-3β,17β-diol）是一种人工合成的雄激素和同化類固醇（AAS）。美雄醇是内源性的激素原雄烯二醇的17α-甲基化衍生物，其羧酸酯类（如丙酸美雄醇、二丙酸美雄醇、二乙酸美雄醇）也已作为药物上市。

Sulfadiazine is a sulfonamide consisting of pyrimidine with a 4-aminobenzenesulfonamido group at the 2-position. It has a role as an antimicrobial agent, an antiinfective agent, a coccidiostat, an antiprotozoal drug, an EC 2.5.1.15 (dihydropteroate synthase) inhibitor, an EC 1.1.1.153 [sepiapterin reductase (L-erythro-7,8-dihydrobiopterin forming)] inhibitor, a xenobiotic, an environmental contaminant and a drug allergen. It is a member of pyrimidines, a sulfonamide, a substituted aniline and a sulfonamide antibiotic. It is functionally related to a sulfanilamide. It is a conjugate acid of a sulfadiazinate.

水杨酸苯酯（英語：Phenyl salicylate 或 salol）是一种有机化合物，分子式C13H10O3，可看作水杨酸与苯酚形成的酯，常温常压下为白色固体，有时用于防晒霜和防腐剂。

Pivalic acid is a carboxylic acid with a molecular formula of (CH3)3CCO2H. This colourless, odiferous organic compound is solid at room temperature. Two abbreviations for pivalic acid are t-BuC(O)OH and PivOH. The pivalyl or pivaloyl group is abbreviated t-BuC(O). Pivalic acid is an isomer of valeric acid, the other two isomers of it are 2-Methylbutanoic acid and 3-Methylbutanoic acid.

双甲脒（Amitraz）是一种抗寄生虫药。商品名有Aazdieno、Acarac、Aludex、Amitraze、Avartin、Baam、Edrizan、Maitac、螨克（Mitac）、Mitaban、Triatox、Triatix、特敌克（Taktic）、Triazid、Topline、Tudy、Ectodex、Garial、Danicut、Ovidrex、Acadrex、Bumetran及Ovasyn等。 双甲脒是一种α－肾上腺素能激动剂.

Cyanamide is an organic compound with the formula CN2H2. This white solid is widely used in agriculture and the production of pharmaceuticals and other organic compounds. It is also used as an alcohol-deterrent drug. The molecule features a nitrile group attached to an amino group. Derivatives of this compound are also referred to as cyanamides, the most common being calcium cyanamide (CaCN2).

醋酸甲羥孕酮（Medroxyprogesterone acetate，MPA），其中注射劑型的醋酸甲羥孕酮（depot medroxyprogesterone acetate，DMPA），商品名包括狄波-普維拉（Depo-Provera），是黃體酯酮 (藥物)类激素药物 。適應範圍，包括避孕與激素替代療法 。也可用於治疗子宮內膜異位症、異常子宫出血、男性的性別認知异常及某些类型的癌症。药物可单独使用，也可与雌激素(藥物)併用 。有口服、舌下、肌肉或皮下注射等不同劑型。 常见的副作用包括月经失调（如閉經） 、腹痛和頭痛。更严重的副作用包括骨质流失、血栓、过敏和肝脏问题。不建议在怀孕期使用，因可能伤害婴儿。 醋酸甲羥孕酮是一种人工合成的黃體酯酮 (藥物)，它能活化孕酮受体，即孕酮的生物学靶点。它也具弱的糖皮质激素活性和非常弱的雄激素活性，但無其他重要的激素活性 。因為它的孕激素活性，使用後會减少人体的促性腺激素释放，并抑制性激素濃度。它能抑制排卵而避孕。 醋酸甲羥孕酮在1956年被发现，在1959年取得美国的医疗使用許可 。名列世界卫生组织基本药物清单。它是停經後激素治疗和纯孕激素避孕药中最常用的孕激素 。 注射型藥物已在100多个国家取得长效型避孕藥的使用許可 。 2017年，它是美国最常用处方药的第222名，处方數量超过200万张 。

Salicin is an aryl beta-D-glucoside that is salicyl alcohol in which the phenolic hydrogen has been replaced by a beta-D-glucosyl residue. It has a role as a prodrug, an antipyretic, a non-narcotic analgesic, a non-steroidal anti-inflammatory drug, an EC 1.14.99.1 (prostaglandin-endoperoxide synthase) inhibitor and a metabolite. It is an aryl beta-D-glucoside, an aromatic primary alcohol and a member of benzyl alcohols. It is functionally related to a salicyl alcohol.

索拉非尼（Sorafenib），商品名蕾莎瓦®（Nexavar® ）

4-Hydroxyphenylglycine (HPG) is a non-proteogenic amino acid found in vancomycin and related glycopeptides. HPG is synthesized from the shikimic acid pathway and requires four enzymes to synthesize: Both L- and D-HPG are used in the vancomycin class of antibiotics. Tyrosine, a similar amino acid, differs by a methylene group (CH2) between the aromatic ring and the alpha carbon.

铽（tè）（英語：Terbium），是一種化學元素，其化學符號为Tb，原子序數为65，原子量為158.925354 u，属于镧系元素，也是稀土元素之一。常溫下铽為銀白色金屬，具有延展性、韌性且質地較軟。就像其他重稀土元素一样，它在乾燥空气中相對穩定，但在潮濕環境下會迅速氧化。铽拥有兩種晶型的同素異形體，轉化溫度為1289°C。 铽在自然界中不以純元素態存在，而是以化合物的形式存在於許多稀土礦物中，包括矽鈰石、矽鈹釔礦、獨居石 、磷釔礦和黑稀金礦等。铽在地殼中的豐度估計為1.2 mg/kg，在稀土元素中屬於含量較低的一種。目前尚未發現組分以鋱為主的礦物。

Vanillylamine is a chemical compound that is an intermediate in the biosynthesis of capsaicin. Vanillylamine is produced from vanillin by the enzyme vanillin aminotransferase. It is then converted with 8-methyl-6-nonenoic acid into capsaicin by the enzyme capsaicin synthase.

精胺（Spermine）是存在于所有真核细胞中的一种多胺类物质。呈碱性，在生理 pH 下以多质子化的形式存在。

Ellipticine is a organic heterotetracyclic compound that is pyrido[4,3-b]carbazole carrying two methyl substituents at positions 5 and 11. It has a role as an antineoplastic agent and a plant metabolite. It is an organic heterotetracyclic compound, an organonitrogen heterocyclic compound, a polycyclic heteroarene and an indole alkaloid.

酵母甾醇（英語：Zymosterol，又叫5α-胆甾-8,24-二烯-3β-醇，5α-Cholesta-8,24-dien-3β-ol）是一种胆固醇合成的中间产物，从酵母甾醇到胆固醇的合成步骤主要在内质网中进行。

Sulfluramid (N-EtFOSA) is a chemical compound from the group of sulfonic acid amides and per- and polyfluoroalkyl substances (PFASs) that is effective as an insecticide. Annual production increased from about 30 tons in 2003 to 60 tons in 2013.

毒芹碱化学式为“2-丙基哌啶”，分子式C8H17N，分子量127.23。含有一个手性碳原子，因此有R型和S型两个异构体，两种异构体在毒参中都有发现。它也是第一个被合成的生物碱，在1886由Albert Ladenburg合成。

3-Methylheptane is a natural product found in Plakortis angulospiculatus with data available.

黄嘌呤（英語：xanthine）是一種廣泛分佈於人體及其他生物體的器官及體液中的一種嘌呤鹼，常用作温和的兴奋剂和支气管扩张剂，特别用于治疗哮喘症状。咖啡因、茶碱及可可碱（主要在巧克力中发现）等常見的溫和興奮劑均由黄嘌呤衍生出來。 黄嘌呤也是嘌呤代謝後的产物，并会在黄嘌呤氧化酶的作用下转换为尿酸，有時累積過度會在某些人群中造成痛風的症狀。 黄嘌呤是嘌呤衍生物，并且很少在核酸的成分中发现。

Xamoterol is a member of morpholines.

硼替佐米（INN名称：Bortezomib，原代号名PS-341），千禧制药定商品名为Velcade，台湾常见商品名为萬科，中國大陸常见商品名为万珂，硼替佐米是其主成分，是一種癌症治療藥物，是全球第一個合成的蛋白酶體抑制劑（proteasome inhibitor），可延緩、停止及治療多發性骨髓瘤和被套細胞淋巴瘤惡化的情況，屬於標靶治療的新型抗癌藥。對蛋白酶體的抑制作用是可逆的，所以有可控管的及可預測的用藥安全性為其最大優勢。

Meldonium is an ammonium betaine that is beta-alaninate in which one of the amino hydrogens is replaced by a trimethylamino group. A clinically used cardioprotective drug that is used for treatment of heart failure, myocardial infarction, arrhythmia, atherosclerosis and diabetes. It has a role as a cardioprotective agent, a neuroprotective agent and an EC 1.14.11.1 (gamma-butyrobetaine dioxygenase) inhibitor.

乙醯膽鹼（英語：Acetylcholine, ACh，分子式CH3COOCH2CH2N+(CH3)3）為中樞及周邊神經系統中常見的神經傳導物質，於自主神經系統及體運動神經系統中參與神經傳導。乙醯膽鹼由軸突末梢釋出之後，會穿過突觸間隙和突觸後神經元或運動終板的細胞膜上之受體結合。 乙酰胆碱于1867年得到首次报导。1914年，亚瑟·J·埃文斯（Arthur J. Ewins）首次从自然界中提取得到乙酰胆碱。1921年，奧托·洛威（Otto Loewi）通过实验证明乙酰胆碱是一种神经递质。

Iodoform is a natural product found in Asparagopsis taxiformis with data available.

鹅膏蕈氨酸(Ibotenic acid), 是一种含有异噁唑环的氨基酸，是强烈的神经毒素，可对大脑造成严重损伤，最初是於1960年代在日本从鵝膏菌屬的假球基鹅膏（二名法：Amanita ibotengutake）分离出来，其英文名称由此而来。

Danazol, sold as Danocrine and other brand names, is a medication used in the treatment of endometriosis, fibrocystic breast disease, hereditary angioedema and other conditions. It is taken by mouth. The use of danazol is limited by masculinizing side effects such as acne, excessive hair growth, and voice deepening. Danazol has a complex mechanism of action, and is characterized as a weak androgen and anabolic steroid, a weak progestogen, a weak antigonadotropin, a weak steroidogenesis inhibitor, and a functional antiestrogen. Danazol was discovered in 1963 and was introduced for medical use in 1971. Due to their improved side-effect profiles, particularly their lack of masculinizing side effects, danazol has largely been replaced by gonadotropin-releasing hormone analogues (GnRH analogues) in the treatment of endometriosis.

達那唑（Danazol）為一種用於治療子宮內膜異位症、乳腺小叶增生、遺傳性血管性水腫及其他疾病的藥物，主要經口服给药。 達那唑具有雄性化的副作用，使其用途大受限制。常見不良反應包含痤疮、多毛症，以及聲音變低沉。達那唑的作用機轉複雜，同時具有弱雄激素、弱同化類固醇、弱孕激素，弱抗促性腺激素、弱固醇類合成抑制劑，以及功能性抗動情素藥物。 達那唑發現於1963年，並於1971年應用於醫學。隨著副作用更少的性腺激素釋放素類似物應用逐漸廣泛，達那唑在治療子宮內膜異位症的角色已被前者所取代。

Dimethyl telluride is an organotellurium compound in which the tellurium atom is covalently bonded to two methyl groups. A xenobiotic metabolite produced by certain strains of bacteria exposed to tellurium containing compounds. It has a role as a bacterial xenobiotic metabolite.

二甲基碲是一种有机碲化合物，化学式为(CH3)2Te，最初于1939年在微生物代谢产物中被发现。二甲基碲的毒性尚不明确，但它是碲化合物摄入体内的代谢产物之一（与DMSO的作用类似），碲本身是有毒的。

Amfecloral is a member of amphetamines.

环嗪酮（英語：Hexazinone）是一种广谱除草剂，属于三嗪类，性质为无色固体，可溶于水，易溶于烷烃以外的有机溶剂，由陶氏杜邦生产销售，商品名：Velpar。 环嗪酮会抑制光合作用，因此是一种非选择性除草剂，对一年生杂草、阔叶杂草和木本植物都有作用。 由于其在水中的可溶性，环嗪酮会持久地污染水源。

Diisobutyl phthalate is a phthalate ester that is the diester obtained by the formal condensation of the carboxy groups of phthalic acid with two molecules of isobutanol. It has a role as a plasticiser, a teratogenic agent and a PPAR modulator. It is a phthalate ester and a diester. It is functionally related to an isobutanol.

卡西酮（英語：Cathinone，/ˈkæθɪnoʊn/，或称为苯甲酰乙胺，benzoylethanamine，β-羰基安非他命，β-keto-amphetamine）是一种在灌木巧茶（Catha edulis）中发现的单胺类生物鹼，化学结构上与麻黃鹼、阿茶碱以及其它苯丙胺衍生物类似。卡西酮可能是阿拉伯巧茶带有兴奋剂效应的原因。卡西酮与其它苯丙胺衍生物不同的地方在于它带有羰基官能团，卡西酮的衍生物包括了MDPV、甲卡西酮、甲氧麻黄酮和安非他酮等。

2,4-Diacetylphloroglucinol is a natural product found in Pseudomonas, Pseudomonas fluorescens, and Pseudomonas protegens with data available.

乙胺嘧啶（英語：Pyrimethamine）商品名叫达拉匹林（Daraprim），是一种可以与甲酰四氢叶酸治疗一起弓形虫病和等孢球虫病的药物。还与氨苯砜一起用于预防HIV / AIDS患者的肺孢子虫肺炎（PCP）。以前被用于治疗疟疾，但由于耐药性而不再推荐使用。乙胺嘧啶是通过口服服用。

Triethylsilane is an organosilicon compound. It has a role as a reducing agent.

依布硒（英語：Ebselen、也称为PZ 51、DR3305和SPI-1005）是一种合成的有机硒药物分子，具有抗炎、抗氧化和细胞保护活性。它充当谷胱甘肽过氧化物酶的模拟物，也可以与过氧亚硝酸盐反应。正在被研究作为再灌注损伤和中风、听觉损失和耳鸣和双向情绪障碍症的可能治疗药物。

Loratadine is a benzocycloheptapyridine that is 6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridine substituted by a chloro group at position 8 and a 1-(ethoxycarbonyl)piperidin-4-ylidene group at position 11. It is a H1-receptor antagonist commonly employed in the treatment of allergic disorders. It has a role as a geroprotector, a H1-receptor antagonist, an anti-allergic agent and a cholinergic antagonist. It is an ethyl ester, a N-acylpiperidine, a tertiary carboxamide, an organochlorine compound and a benzocycloheptapyridine. It is functionally related to a desloratadine.

愈创醇（英語：Guaiol）是一种倍半萜醇，分子式C15H26O，天然存在于一些植物体，尤其是愈创木油和松柏油中。也是大麻属植物中存在的多种萜类物质之一。

2-Nonanol is a natural product found in Francisella tularensis, Camellia sinensis, and other organisms with data available.

双环戊二烯（简称DCPD），又称二聚环戊二烯，是环戊二烯经狄尔斯－阿尔德反应而生成的二聚体，有内型与外型两种异构体。

2,4,6-tribromophenol is a bromophenol that is phenol in which the hydrogens at positions 2, 4 and 6 have been replaced by bromines. It is commonly used as a fungicide and in the preparation of flame retardants. It has a role as an environmental contaminant, a fungicide and a marine metabolite.

甲硼烷，又称三氢化硼，是一種无机化合物，化学式为BH3。它很不稳定，具有高反应性。羰基甲硼烷(BH3CO)的制备在探索甲硼烷的化学过程中起着重要作用，因为它可能存在甲硼烷分子。 但是，BH3分子是非常强的路易斯酸。因此，它具有很高的反应性，只能直接在流动系统中以连续产生的，短暂的产物形式观察到。甲硼烷也可以通过激光烧蚀的原子硼与氢的反应而直接观察到。

Butane is a natural product found in Calendula officinalis and Stemona tuberosa with data available.

甲硫氨酸（英語：Methionine, /mɪˈθaɪəniːn/），又稱蛋胺酸，可简写为“Met”或“M”，在所有後生動物中它是一種必需氨基酸。與半胱氨酸一起，甲硫氨酸是兩個含硫蛋白原氨基酸之一。對人而言是唯一的含硫必需氨基酸，由mRNA上担任起始密码子的AUG密碼子编码。甲硫氨酸最早由美国生物化学家约翰·霍华德·穆勒于1921年分离提纯。

Trichlorofluoromethane is a one-carbon compound that is methane in which the hydrogens have been replaced by three chlorine and one fluorine atom. It has a role as a refrigerant, an environmental contaminant, a NMR solvent and a NMR chemical shift reference compound. It is a halomethane and a chlorofluorocarbon.

菲（fēi），旧称芠（wén），化學式為C14H10，是一个多环芳香烃，由三个苯环稠合而成，与蒽为同分异构体。无色片状结晶，有蓝色螢光，易升华，具刺激性。存在于吸烟时的烟雾中。折射率(nD20)为1.6415。

Telluric acid, or more accurately orthotelluric acid, is a chemical compound with the formula Te(OH)6, often written as H6TeO6. It is a white crystalline solid made up of octahedral Te(OH)6 molecules which persist in aqueous solution. In the solid state, there are two forms, rhombohedral and monoclinic, and both contain octahedral Te(OH)6 molecules, containing one hexavalent tellurium (Te) atom in the +6 oxidation state, attached to six hydroxyl (–OH) groups, thus, it can be called tellurium(VI) hydroxide. Telluric acid is a weak acid which is dibasic, forming tellurate salts with strong bases and hydrogen tellurate salts with weaker bases or upon hydrolysis of tellurates in water. It is used as tellurium-source in the synthesis of oxidation catalysts.

野靛碱（英語：Cytisine，或 baptitoxine、cytisinicline、sophorine），又称金雀花碱，是一种生物鹼，化学式为C11H14N2O，存在于毒豆属（Laburnum）、金雀儿属（Cytisus）等豆科植物中，常用于戒烟。

Levofloxacin is an optically active form of ofloxacin having (S)-configuration; an inhibitor of bacterial topoisomerase IV and DNA gyrase. It has a role as a DNA synthesis inhibitor, an antibacterial drug, a topoisomerase IV inhibitor and an EC 5.99.1.3 [DNA topoisomerase (ATP-hydrolysing)] inhibitor. It is a quinolone antibiotic, a fluoroquinolone antibiotic and a 9-fluoro-3-methyl-10-(4-methylpiperazin-1-yl)-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid. It is an enantiomer of a dextrofloxacin.

3-蒈烯（Carene, 或delta-3-carene）是一种天然存在的单萜烯，是松节油的组分之一。视来源不同，松节油中含量可达42%。3-蒈烯有强烈香气，不溶于水，与油脂混溶。

Perfluorooctanesulfonamide is a perfluorinated compound that is perfluorooctane in which one of the terminal fluorines has been replace by a sulfamoyl group. It has a role as a persistent organic pollutant. It is a sulfonamide and a perfluorinated compound.

己酸烯丙酯，也稱作菠蘿醛（英文：Allyl hexanoate），是一種無色至淡黃色的液體。有菠蘿香味，是菠蘿發出香味的主要天然成份，也用作食品加工材料而被廣泛應用。

Cadalene is a natural product found in Camellia sinensis, Calypogeia muelleriana, and other organisms with data available.

四氧化锇，又稱氧化锇（VIII），是化学式为OsO4的化合物，常溫下為無色固體，但大多數樣本呈現黃褐色，可能是由於其中存在棕黃色二氧化鋨（OsO2）雜質所致。四氧化鋨具有一些不同於大多數金屬氧化物的特殊性質，例如具有揮發性和高毒性。 尽管四氧化锇有劇毒且锇元素罕見且昂貴，該化合物仍有很多用途，例如其與脂質結合的特性使其在生物學中廣泛用作電子顯微鏡樣本的染色劑。

Gemfibrozil is an aromatic ether. It has a role as an antilipemic drug. It is functionally related to a valeric acid.

5-甲氧基水杨酸（英語：5-Methoxysalicylic acid）是一种水杨酸衍生物，分子式C8H8O4，存在于海狸香中。其与精胺的混合物常作为基质辅助激光解吸/电离（MALDI）质谱法分析寡核苷酸中的基质。

Enrofloxacin is a quinolinemonocarboxylic acid that is 1,4-dihydroquinoline-3-carboxylic acid substituted by an oxo group at position 4, a fluoro group at position 6, a cyclopropyl group at position 1 and a 4-ethylpiperazin-1-yl group at position 7. It is a veterinary antibacterial agent used for the treatment of pets. It has a role as an antibacterial agent, an antineoplastic agent and an antimicrobial agent. It is a quinolinemonocarboxylic acid, a quinolone, an organofluorine compound, a N-alkylpiperazine, a N-arylpiperazine and a member of cyclopropanes.

美利曲辛（英語：Melitracen，商品名Melixeran、Trausabun），分子式C21H25N，是一种三环类抗抑郁药（TCA），用于治疗重性抑鬱疾患和焦慮。

Methyl acrylate is an enoate ester.

头孢克洛（英語：Cefaclor），商品名如希克劳，是第二代头孢类抗生素，用来治疗由细菌感染导致的症状如肺炎，化学名(6R,7R)-7-[(R)-2-氨基-2-苯乙酰氨基]-3-氯-8-氧代-5-硫杂-1-氮杂双环[4.2.0]辛-2-烯-2-甲酸，化学式C15H14ClN3O4S。頭孢克洛於1973年獲得專利，並於1979年被批准用於醫療方面。

Depsidones (+ "depside" + "one") are chemical compounds that are sometimes found as secondary metabolites in lichens. They are esters that are both depsides and cyclic ethers. An example is norstictic acid.

洛索洛芬（Loxoprofen）是一种非甾体抗炎药，它和布洛芬和萘普生等一樣都属于丙酸衍生物。一些国家允許洛索洛芬用於口服。1977年，洛索洛芬成為专利藥物，1986年被批准用于医疗用途。

Allyl methyl sulfide is an organosulfur compound with the chemical formula CH2CHCH2) and a sulfide. It is a colourless liquid with a strong odor characteristic of alkyl sulfides. It is a metabolite of garlic, and "garlic breath" is attributed to its presence. It is prepared by the reaction of allyl chloride with sodium hydroxide and methanethiol. CH2CHCH2SCH3 + NaCl + H2O

三正丁胺（ TBA ）是示性式为(CH3CH2CH2CH2)3N的有机化合物。它是一种带有类似胺氣味的无色液体。

3-mercaptopropanoic acid is a mercaptopropanoic acid that is propanoic acid carrying a sulfanyl group at position 3. It has a role as an algal metabolite. It is a conjugate acid of a 3-mercaptopropionate.

氨苄西林（英語：Ampicillin）是一種抗生素，屬於青黴素家族的氨基青黴素類，用於預防和治療多種細菌感染，如呼吸道感染、泌尿道感染、腦膜炎、沙門氏菌感染症和心內膜炎。它也用於預防新生兒B型鏈球菌感染。給藥方式有口服、肌肉注射或是靜脈輸注。 使用後常見的副作有皮疹、噁心和腹瀉。對青黴素過敏的人不宜使用。嚴重的副作用有艱難你梭菌結腸炎或過敏性休克。雖然有腎臟問題的個體可使用，但可能需要減少劑量。個體在懷孕期間使用對於胎兒，和在母乳哺育期間對於嬰兒似乎無安全的問題。 氨芐西林於1958年被發現，並於1961年進入醫療用途。它已被列入世界衛生組織基本藥物標準清單之中。]世界衛生組織（WHO）將此藥物列為對人類醫學非常重要的一種。市面上已有其通用名藥物流通。

Solasonine is an azaspiro compound, an oxaspiro compound and a steroid.

丙烯腈（CH2=CH-C≡N）是有刺激性氣味，極易燃的有機液體。IUPAC名稱是2-丙烯腈（英文：2-propenenitrile）。

Eugenol is a phenylpropanoid formally derived from guaiacol with an allyl chain substituted para to the hydroxy group. It is a major component of clove essential oil, and exhibits antibacterial, analgesic and antioxidant properties. It has been widely used in dentistry to treat toothache and pulpitis. It has a role as an allergen, a human blood serum metabolite, a sensitiser, a volatile oil component, a flavouring agent, an EC 1.4.3.4 (monoamine oxidase) inhibitor, a radical scavenger, an antibacterial agent, an antineoplastic agent, an apoptosis inducer, an anaesthetic, an analgesic, a voltage-gated sodium channel blocker, a NF-kappaB inhibitor and an anti-inflammatory agent. It is a phenylpropanoid, a monomethoxybenzene, a member of phenols and an alkenylbenzene. It is functionally related to a guaiacol.

丙胺是一种伯胺，化学式为C3H7NH2，或写作C3H9N，它是无色挥发性的液体。

Triuret is a member of condensed ureas.

间苯二甲酸的钡盐六水合物易溶于水，可用于区分间苯二甲酸与邻苯二甲酸、对苯二甲酸。5-甲基间苯二甲酸俗称“乌韦特酸”（Uvitic acid），可由均三甲苯氧化，或用氢氧化钡水溶液处理丙酮酸制得。

Pyridoxine is a natural product found in Cyberlindnera jadinii, Glycine max, and other organisms with data available.

葡萄糖-6-磷酸（英語：Glucose 6-phosphate），也称6-磷酸葡萄糖，是葡萄糖經過磷酸化（在第6号碳）之後生成的分子。它也是生物細胞中的常見分子，參與磷酸戊糖途径與糖酵解等生化途徑。 位于KEGG途径数据库化合物 C00668 位于KEGG途径数据库的酶5.3.1.9 位于KEGG途径数据库化合物 C05345 位于KEGG途径数据库的反应R00771

Chlorofluoromethane is a hydrochlorofluorocarbon.

地拉罗司於2005年11月獲得美國食品藥物管理局（FDA）核准用於治療β型地中海貧血。根據FDA (2007年5月) 的數據，接受地拉罗司治療的患者中出現腎功能衰竭和成熟血球數量減少的報告。此藥物於2008年在歐盟獲得歐洲藥品管理局 (EMA) 批准，用於治療六歲及以上兒童因連續輸血而導致的慢性血色沉著病。地拉罗司已被列入世界衛生組織基本藥物標準清單中。

Pyridoxal is a pyridinecarbaldehyde that is pyridine-4-carbaldehyde bearing methyl, hydroxy and hydroxymethyl substituents at positions 2, 3 and 5 respectively. The 4-carboxyaldehyde form of vitamin B6, it is converted into pyridoxal phosphate, a coenzyme for the synthesis of amino acids, neurotransmitters, sphingolipids and aminolevulinic acid. It has a role as a cofactor, a human metabolite, a Saccharomyces cerevisiae metabolite, an Escherichia coli metabolite and a mouse metabolite. It is a vitamin B6, a pyridinecarbaldehyde, a member of methylpyridines, a monohydroxypyridine and a hydroxymethylpyridine. It is a conjugate base of a pyridoxal(1+).

异麦芽糖是一种二醣，类似于麦芽糖，但拥有α-(1-6)-糖苷键，而不是麦芽糖的α-(1-4)-糖苷键。可水解为两个葡萄糖分子。 麦芽糖浆在转葡糖苷酶 (TG，也称α-葡萄糖苷酶、葡萄糖基转移酶) 作用下将已游离出的葡萄糖转移至另一个葡萄糖或麦芽糖分子的α-1，6位上，生成异麦芽糖、异麦芽三糖、异麦芽四糖、异麦芽五糖和潘糖等具有分支结构的低聚糖类。异麦芽糖不被酵母所发酵，异麦芽糖系非发酵性低聚糖。

Spathulenol is a tricyclic sesquiterpenoid that is 4-methylidenedecahydro-1H-cyclopropa[e]azulene carrying three methyl substituents at positions 1, 1 and 7 as well as a hydroxy substituent at position 7. It has a role as a volatile oil component, a plant metabolite, an anaesthetic and a vasodilator agent. It is a sesquiterpenoid, a carbotricyclic compound, a tertiary alcohol and an olefinic compound.

嘌呤黴素（Puromycin，常縮寫爲Puro），是一種分離自白黑鏈黴菌（Streptomyces alboniger）的核苷類抗生素，作用是抑制蛋白質轉譯。嘌呤黴素能殺死無抗性的真核細胞，因此在細胞生物學中常用於陽性細胞篩選。嘌呤霉素对原核细胞亦有殺傷作用。

Diallyl disulfide is an organic disulfide where the organic group specified is allyl. It has been isolated from garlic and other species of the genus Allium. It has a role as an antineoplastic agent, an antifungal agent and a plant metabolite.

原花青素C1（Procyanidin C1，簡稱PCC1）是一種B型前花青素（B type proanthocyanidin），是一種可在釀酒葡萄中找到的表兒茶素三聚體。

Etravirine is an aminopyrimidine that consists of 2,6-diaminopyrimidine bearing a bromo substituent at position 5, a 4-cyano-2,6-dimethylphenoxy substituent at position 4 and having a 4-cyanophenyl substituent attached to the 2-amino group. NNRTI of HIV-1, binds directly to RT and blocks RNA-dependent and DNA-dependent DNA polymerase activities It has a role as a HIV-1 reverse transcriptase inhibitor and an antiviral agent. It is a dinitrile, an organobromine compound, an aminopyrimidine and an aromatic ether.

环磷酰胺（英語：Cyclophosphamide），為oxazophorines的衍生物。

Corticosterone is a 21-hydroxy steroid that consists of pregn-4-ene substituted by hydroxy groups at positions 11 and 21 and oxo groups at positions 3 and 20. Corticosterone is a 21-carbon steroid hormone of the corticosteroid type produced in the cortex of the adrenal glands. It has a role as a human metabolite and a mouse metabolite. It is an 11beta-hydroxy steroid, a 21-hydroxy steroid, a 20-oxo steroid, a C21-steroid, a 3-oxo-Delta(4) steroid, a primary alpha-hydroxy ketone and a glucocorticoid. It derives from a hydride of a pregnane.

异戊烷（英語：Isopentane）是一种分子式为C5H12的烷烃，与正戊烷、新戊烷互为同分异构体。

Gliclazide is a N-sulfonylurea. It has a role as a hypoglycemic agent, a radical scavenger and an insulin secretagogue.

脯氨酸（Proline，縮寫為Pro 或P ）是一個α-氨基酸，又是一個環狀胺基酸，20個DNA編碼的其中之一。它极易溶于水，微溶于乙醇、丙酮、苯，不溶于乙醚、丙醇。 虽然属于蛋白胺基酸，并不是伯胺而是仲胺（旧称为亞胺酸），因此具有特殊構象剛性，影響肽的二級結構。其對應密碼子為CCU、CCC、CCA和CCG。

Synephrine is a phenethylamine alkaloid that is 4-(2-aminoethyl)phenol substituted by a hydroxy group at position 1 and a methyl group at the amino nitrogen. It has a role as a plant metabolite and an alpha-adrenergic agonist. It is a phenethylamine alkaloid, a member of phenols and a member of ethanolamines. It is a conjugate base of a synephrinium.

甲酸钙是一种无机化合物，化学式为Ca(HCO2)2，是钙的甲酸盐。它可用作食品添加剂，代号E238。它在自然界可以以十分罕见的formicaitek矿的形式存在。

3-hydroxypicolinic acid is a monohydroxypyridine that is picolinic acid in which the hydrogen at position 3 is replaced by a hydroxy group. It is used as a matrix in matrix-assisted laser desorption/ionization (MALDI) mass spectrometry for the analysis of oligonucleotides. It has a role as a MALDI matrix material. It is a monohydroxypyridine and a monocarboxylic acid.

二溴磷（英語：Dibrom或Naled）是一种有机磷杀虫剂，其化学名为1,2-二溴-2,2-二氯乙磷酸二甲酯（dimethyl 1,2-dibromo-2,2-dichloroethylphosphate）。

Irinotecan is a member of the class of pyranoindolizinoquinolines that is the carbamate ester obtained by formal condensation of the carboxy group of [1,4'-bipiperidine]-1'-carboxylic acid with the phenolic hydroxy group of (4S)-4,11-diethyl-4,9-dihydroxy-1H-pyrano[3',4':6,7]indolizino[1,2- hydrochloride]quinoline-3,14-dione. Used (in the form of its hydrochloride salt trihydrate) in combination with fluorouracil and leucovorin, for the treatment of patients with metastatic adenocarcinoma of the pancreas after disease progression following gemcitabine-based therapy. It is converted via hydrolysis of the carbamate linkage to its active metabolite, SN-38, which is ~1000 times more active. It has a role as an apoptosis inducer, an EC 5.99.1.2 (DNA topoisomerase) inhibitor, an antineoplastic agent and a prodrug. It is a pyranoindolizinoquinoline, a N-acylpiperidine, a carbamate ester, a tertiary alcohol, a tertiary amino compound, a delta-lactone and a ring assembly. It is functionally related to a SN-38. It is a conjugate base of an irinotecan(1+).

新烟草碱（英語：Anatabine）又称去氢毒藜碱，是一种存在于茄科植物中的微量生物碱。商用烟草中一般含有2-4%（干重）的生物碱，其中尼古丁占据其中90%，剩余10%则包括新烟草碱、降烟碱和假木贼碱（新烟碱）等微量生物碱，这类生物碱是茄科植物用于防御害虫而产生。 新烟草碱在体内外可抑制STAT3蛋白磷酸化，并产生抗炎活性。同时似乎对烟碱型乙酰胆碱受体有活性作用。

Silafluofen is an organosilicon compound that is dimethylsilane in which one of the hydrogens attached to the silicon is replaced by a 4-ethoxyphenyl group, while the other is replaced by a 3-(4-fluoro-3-phenoxyphenyl)propyl group. It is an insecticide used to control soil-borne insects. It has a role as a pyrethroid ether insecticide. It is an organofluorine compound, an organosilicon compound and an aromatic ether. It is functionally related to a 4-(trimethylsilyl)phenol.

氟硅唑（DPX-H6573）是一種由杜邦发明的有机硅杀真菌剂，用來控制各種水果和蔬菜農作物的真菌感染。它對动物有中度毒性，大量攝入後可能會導致先天性障碍。

(S)-colchicine is a colchicine that has (S)-configuration. It is a secondary metabolite, has anti-inflammatory properties and is used to treat gout, crystal-induced joint inflammation, familial Mediterranean fever, and many other conditions. It has a role as a mutagen, an anti-inflammatory agent and a gout suppressant. It is a colchicine and an alkaloid. It is an enantiomer of a (R)-colchicine.

氟西泮（flurazepam，在美国的商品名是Dalmane和Dalmadorm，中国一般就以盐酸氟西泮销售）是一种苯二氮䓬类派生药物。该药可作为抗焦虑药、镇痉剂、镇静剂及肌肉松弛剂。该药产生一种半衰期长达40－250小时的代谢产物，这种产物可在血流中停留达4天。对于某些人，由于第二天会有镇静效果，不能使用氟西泮治疗失眠。口服药物1/2到1小时后发挥作用。

Griseofulvin is an antifungal medication used to treat a number of types of dermatophytoses (ringworm). This includes fungal infections of the nails and scalp, as well as the skin when antifungal creams have not worked. It is taken by mouth. Common side effects include allergic reactions, nausea, diarrhea, headache, trouble sleeping, and feeling tired. It is not recommended in people with liver failure or porphyria. Use during or in the months before pregnancy may result in harm to the baby. Griseofulvin works by interfering with fungal mitosis. Griseofulvin was discovered in 1939 from the soil fungus Penicillium griseofulvum. It is on the World Health Organization's List of Essential Medicines.

吗氯贝胺（商品名也作Amira、Aurorix、Clobemix、Depnil或Manerix）是主要用于治疗抑郁症和社交焦虑的单胺氧化酶A（RIMA）药物的可逆抑制剂。它在美国不被允许使用，但在其它西方国家，例如英国和澳大利亚（TGA于2000年12月）是被批准使用的。它由罗氏公司的附属公司生产。起初，Aurorix也在南非由罗氏公司供应，但在专利期满之后撤回，Cipla Medpro's Depnil和Pharma Dynamic's Clorix的成本减半。

3-Pentanone is a natural product found in Perilla frutescens, Basella alba, and other organisms with data available.

普鲁卡因是在1905年被德国化学家Alfred Einhorn首次合成出来的，稍晚于阿米洛卡因。Alfred Einhorn当时根据拉丁文给其取的商品名为Novacaine（Nova-表示“新的”，-caine为具有麻醉作用的生物碱常用的词尾）。它被外科医生Heinrich Braun引入临床使用，在斯妥伐因（又称阿米洛卡因，Amylocaine）和普鲁卡因问世前，可卡因是最常用的局部麻醉药。

Indole-3-butyric acid is a indol-3-yl carboxylic acid that is butanoic acid carrying a 1H-indol-3-yl substituent at position 1. It has a role as a plant hormone, a plant metabolite and an auxin. It is functionally related to a butyric acid. It is a conjugate acid of an indole-3-butyrate.

苯基环氧乙烷是一种有机化合物。可由过氧苯甲酸和苯乙烯的Prilezhaev反应得到。