摩熵化学
数据库官网
小程序
打开微信扫一扫
首页 分子通 化学资讯 化学百科 反应查询 关于我们
请输入关键词
历史搜索
    热门化合物HOT
    • 喹啉
    • 水杨醛
    • 二溴甲烷
    • 谷胱甘肽
    • L-乳酸
    • 苯巴比妥
    • 辣椒碱
    • 非那明
    • 百草枯
    • 联苯烯
    首页 分子通 字母
    按分子首字母查询
    按分子CAS号查询
    中文名称 英文名称 CAS号 化学式 结构式图片
    —— N-methyl-N'-[3-(4-methyl-2-oxazolyl)thiopropyl]thiourea —— C9H15N3O2S2
    N-methyl-N'-[3-(4-methyl-2-oxazolyl)thiopropyl]thiourea
    —— N-methyl-N'-[2-((2-amino-4-thiazolyl)methylthio)ethyl]thiourea —— C8H14N4OS3
    N-methyl-N'-[2-((2-amino-4-thiazolyl)methylthio)ethyl]thiourea
    —— N-methyl-N'-[2-(5-thiazolylmethylthio)ethyl]thiourea —— C8H13N3OS3
    N-methyl-N'-[2-(5-thiazolylmethylthio)ethyl]thiourea
    —— N-methyl-N'-[3-((4-methyl-5-imidazolyl)methylthio)propyl]thiourea —— C10H18N4OS2
    N-methyl-N'-[3-((4-methyl-5-imidazolyl)methylthio)propyl]thiourea
    —— N-[2-((4-bromo-3-isothiazolyl)methylthio)-ethyl]-N'-methylguanidine hydrochloride —— C8H13BrN4S2*ClH
    N-[2-((4-bromo-3-isothiazolyl)methylthio)-ethyl]-N'-methylguanidine hydrochloride
    —— N-carbobenzoxy-L-phenylalanylcyanamide —— C18H17N3O3
    N-carbobenzoxy-L-phenylalanylcyanamide
    —— N-[2,6-bis(1-methylethyl)phenyl]-N'-(2-hexadecyl-2H-tetrazol-5-yl)urea —— C30H52N6O
    N-[2,6-bis(1-methylethyl)phenyl]-N'-(2-hexadecyl-2H-tetrazol-5-yl)urea
    —— N-((1s,4s)-4-(2-(4'-(3-((3S,5R)-3,5-dimethylpiperazin-1-yl)propyl)biphenyl-3-yloxy)-5-fluoronicotinamido)cyclohexyl)-5,6,7,8-tetrahydroimidazo[1,2-a]pyridine-2-carboxamide —— C41H50FN7O3
    N-((1s,4s)-4-(2-(4'-(3-((3S,5R)-3,5-dimethylpiperazin-1-yl)propyl)biphenyl-3-yloxy)-5-fluoronicotinamido)cyclohexyl)-5,6,7,8-tetrahydroimidazo[1,2-a]pyridine-2-carboxamide
    —— N-((1s,4s)-4-(2-(3'-(((3S,5R)-3,5-dimethylpiperazin-1-yl)methyl)-4'-hydroxybiphenyl-3-yloxy)-5-fluoronicotinamido)cyclohexyl)-6-fluoroimidazo[1,2-a]pyridine-2-carboxamide —— C39H41F2N7O4
    N-((1s,4s)-4-(2-(3'-(((3S,5R)-3,5-dimethylpiperazin-1-yl)methyl)-4'-hydroxybiphenyl-3-yloxy)-5-fluoronicotinamido)cyclohexyl)-6-fluoroimidazo[1,2-a]pyridine-2-carboxamide
    —— N-((1s,4s)-4-(5-fluoro-2-(4'-(2-(4-(pyrrolidin-1-yl)piperidin-1-yl)ethyl)biphenyl-3-yloxy)nicotinamido)cyclohexyl)-2-methylthiazole-4-carboxamide —— C40H47FN6O3S
    N-((1s,4s)-4-(5-fluoro-2-(4'-(2-(4-(pyrrolidin-1-yl)piperidin-1-yl)ethyl)biphenyl-3-yloxy)nicotinamido)cyclohexyl)-2-methylthiazole-4-carboxamide
    —— N-((1s,4s)-4-(5-fluoro-2-(4'-((4-(pyrrolidin-1-yl)piperidin-1-yl)methyl)biphenyl-3-yloxy)nicotinamido)cyclohexyl)-5-methylimidazo[1,2-a]pyridine-2-carboxamide —— C43H48FN7O3
    N-((1s,4s)-4-(5-fluoro-2-(4'-((4-(pyrrolidin-1-yl)piperidin-1-yl)methyl)biphenyl-3-yloxy)nicotinamido)cyclohexyl)-5-methylimidazo[1,2-a]pyridine-2-carboxamide
    —— N-((1s,4s)-4-(2-(4'-(((3S,5R)-3,5-dimethylpiperazin-1-yl)methyl)-3'-hydroxybiphenyl-3-yloxy)-5-fluoronicotinamido)cyclohexyl)-5-methylimidazo[1,2-a]pyridine-2-carboxamide —— C40H44FN7O4
    N-((1s,4s)-4-(2-(4'-(((3S,5R)-3,5-dimethylpiperazin-1-yl)methyl)-3'-hydroxybiphenyl-3-yloxy)-5-fluoronicotinamido)cyclohexyl)-5-methylimidazo[1,2-a]pyridine-2-carboxamide
    —— N-((1s,4s)-4-(2-(3'-(((3S,5R)-3,5-dimethylpiperazin-1-yl)methyl)-4'-hydroxybiphenyl-3-yloxy)-5-fluoronicotinamido)cyclohexyl)-5-methylimidazo[1,2-a]pyridine-2-carboxamide —— C40H44FN7O4
    N-((1s,4s)-4-(2-(3'-(((3S,5R)-3,5-dimethylpiperazin-1-yl)methyl)-4'-hydroxybiphenyl-3-yloxy)-5-fluoronicotinamido)cyclohexyl)-5-methylimidazo[1,2-a]pyridine-2-carboxamide
    —— N-((1s,4s)-4-(5-fluoro-2-(4'-hydroxy-2'-(morpholinomethyl)biphenyl-3-yloxy)nicotinamido)cyclohexyl)-2-(trifluoromethyl)thiazole-4-carboxamide —— C34H33F4N5O5S
    N-((1s,4s)-4-(5-fluoro-2-(4'-hydroxy-2'-(morpholinomethyl)biphenyl-3-yloxy)nicotinamido)cyclohexyl)-2-(trifluoromethyl)thiazole-4-carboxamide
    —— N-((1s,4s)-4-(5-fluoro-2-(4'-hydroxy-2'-(morpholinomethyl)biphenyl-3-yloxy)nicotinamido)cyclohexyl)-2-hydroxyquinoline-3-carboxamide —— C39H38FN5O6
    N-((1s,4s)-4-(5-fluoro-2-(4'-hydroxy-2'-(morpholinomethyl)biphenyl-3-yloxy)nicotinamido)cyclohexyl)-2-hydroxyquinoline-3-carboxamide
    —— N-((1s,4s)-4-(2-(2'-((1,4-oxazepan-4-yl)methyl)-4'-hydroxybiphenyl-3-yloxy)-5-fluoronicotinamido)cyclohexyl)-6-fluoroimidazo[1,2-a]pyridine-2-carboxamide —— C38H38F2N6O5
    N-((1s,4s)-4-(2-(2'-((1,4-oxazepan-4-yl)methyl)-4'-hydroxybiphenyl-3-yloxy)-5-fluoronicotinamido)cyclohexyl)-6-fluoroimidazo[1,2-a]pyridine-2-carboxamide
    —— N<sup>2</sup>-Ethoxycarbonyl-N<sup>1</sup>-methyl-N<sup>1</sup>-nitroformamidine —— C5H9N3O4
    N<sup>2</sup>-Ethoxycarbonyl-N<sup>1</sup>-methyl-N<sup>1</sup>-nitroformamidine
    —— N-((1s,4s)-4-(2-(4'-(2-((3S,5R)-3,5-dimethylpiperazin-1-yl)ethyl)biphenyl-3-yloxy)-5-fluoronicotinamido)cyclohexyl)quinoxaline-2-carboxamide —— C41H44FN7O3
    N-((1s,4s)-4-(2-(4'-(2-((3S,5R)-3,5-dimethylpiperazin-1-yl)ethyl)biphenyl-3-yloxy)-5-fluoronicotinamido)cyclohexyl)quinoxaline-2-carboxamide
    —— N-((1s,4s)-4-(5-fluoro-2-(4'-(3-(piperazin-1-yl)propyl)biphenyl-3-yloxy)nicotinamido)cyclohexyl)-5-methylimidazo[1,2-a]pyridine-2-carboxamide —— C40H44FN7O3
    N-((1s,4s)-4-(5-fluoro-2-(4'-(3-(piperazin-1-yl)propyl)biphenyl-3-yloxy)nicotinamido)cyclohexyl)-5-methylimidazo[1,2-a]pyridine-2-carboxamide
    —— N-((1s,4s)-4-(2-(3'-(((3R,5S)-3,5-dimethylpiperazin-1-yl)methyl)-2'-hydroxybiphenyl-3-yloxy)-5-fluoronicotinamido)cyclohexyl)-2-methylthiazole-4-carboxamide —— C36H41FN6O4S
    N-((1s,4s)-4-(2-(3'-(((3R,5S)-3,5-dimethylpiperazin-1-yl)methyl)-2'-hydroxybiphenyl-3-yloxy)-5-fluoronicotinamido)cyclohexyl)-2-methylthiazole-4-carboxamide
    —— N-((1s,4s)-4-(5-fluoro-2-(4'-((4-methyl-1,4-diazepan-1-yl)methyl)biphenyl-3-yloxy)nicotinamido)cyclohexyl)-5-methylimidazo[1,2-a]pyridine-2-carboxamide —— C40H44FN7O3
    N-((1s,4s)-4-(5-fluoro-2-(4'-((4-methyl-1,4-diazepan-1-yl)methyl)biphenyl-3-yloxy)nicotinamido)cyclohexyl)-5-methylimidazo[1,2-a]pyridine-2-carboxamide
    —— N-((1s,4s)-4-(5-fluoro-2-(4'-hydroxy-2'-((4-methyl-1,4-diazepan-1-yl)methyl)biphenyl-3-yloxy)nicotinamido)cyclohexyl)quinoline-2-carboxamide —— C41H43FN6O4
    N-((1s,4s)-4-(5-fluoro-2-(4'-hydroxy-2'-((4-methyl-1,4-diazepan-1-yl)methyl)biphenyl-3-yloxy)nicotinamido)cyclohexyl)quinoline-2-carboxamide
    —— N-((1s,4s)-4-(2-(4'-(3-(1,4-diazepan-1-yl)propyl)biphenyl-3-yloxy)-5-fluoronicotinamido)cyclohexyl)-2-methylthiazole-4-carboxamide —— C37H43FN6O3S
    N-((1s,4s)-4-(2-(4'-(3-(1,4-diazepan-1-yl)propyl)biphenyl-3-yloxy)-5-fluoronicotinamido)cyclohexyl)-2-methylthiazole-4-carboxamide
    —— N-((1s,4s)-4-(2-(3'-(((3R,5S)-3,5-dimethylpiperazin-1-yl)methyl)-4'-hydroxybiphenyl-3-yloxy)-5-fluoronicotinamido)cyclohexyl)-2-methylthiazole-4-carboxamide —— C36H41FN6O4S
    N-((1s,4s)-4-(2-(3'-(((3R,5S)-3,5-dimethylpiperazin-1-yl)methyl)-4'-hydroxybiphenyl-3-yloxy)-5-fluoronicotinamido)cyclohexyl)-2-methylthiazole-4-carboxamide
    —— N-((1s,4s)-4-(2-(2'-((1,4-oxazepan-4-yl)methyl)-4'-hydroxybiphenyl-3-yloxy)-5-fluoronicotinamido)cyclohexyl)-5-methylimidazo[1,2-a]pyridine-2-carboxamide —— C39H41FN6O5
    N-((1s,4s)-4-(2-(2'-((1,4-oxazepan-4-yl)methyl)-4'-hydroxybiphenyl-3-yloxy)-5-fluoronicotinamido)cyclohexyl)-5-methylimidazo[1,2-a]pyridine-2-carboxamide
    —— N-((1s,4s)-4-(5-fluoro-2-(4'-(2-(piperazin-1-yl)ethyl)biphenyl-3-yloxy)nicotinamido)cyclohexyl)quinoxaline-2-carboxamide —— C39H40FN7O3
    N-((1s,4s)-4-(5-fluoro-2-(4'-(2-(piperazin-1-yl)ethyl)biphenyl-3-yloxy)nicotinamido)cyclohexyl)quinoxaline-2-carboxamide
    —— n-butyl 3-[4-(1-n-hexadecylpiperazin-4-yl)-phenyl]-propionate —— C33H58N2O2
    n-butyl 3-[4-(1-n-hexadecylpiperazin-4-yl)-phenyl]-propionate
    —— N-((1s,4s)-4-(2-(4'-(((3S,5R)-3,5-dimethylpiperazin-1-yl)methyl)biphenyl-3-yloxy)-5-fluoronicotinamido)cyclohexyl)-5-methylimidazo[1,2-a]pyridine-2-carboxamide —— C40H44FN7O3
    N-((1s,4s)-4-(2-(4'-(((3S,5R)-3,5-dimethylpiperazin-1-yl)methyl)biphenyl-3-yloxy)-5-fluoronicotinamido)cyclohexyl)-5-methylimidazo[1,2-a]pyridine-2-carboxamide
    —— N-((1s,4s)-4-(2-(4'-(((3S,5R)-3,5-dimethylpiperazin-1-yl)methyl)-3'-hydroxybiphenyl-3-yloxy)-5-fluoronicotinamido)cyclohexyl)pyrazolo[1,5-a]pyridine-2-carboxamide —— C39H42FN7O4
    N-((1s,4s)-4-(2-(4'-(((3S,5R)-3,5-dimethylpiperazin-1-yl)methyl)-3'-hydroxybiphenyl-3-yloxy)-5-fluoronicotinamido)cyclohexyl)pyrazolo[1,5-a]pyridine-2-carboxamide
    —— N-((1s,4s)-4-(2-(2'-((1,4-oxazepan-4-yl)methyl)-4'-hydroxybiphenyl-3-yloxy)-5-fluoronicotinamido)cyclohexyl)-6-methylpicolinamide —— C37H40FN5O5
    N-((1s,4s)-4-(2-(2'-((1,4-oxazepan-4-yl)methyl)-4'-hydroxybiphenyl-3-yloxy)-5-fluoronicotinamido)cyclohexyl)-6-methylpicolinamide
    —— N-((1s,4s)-4-(5-fluoro-2-(2'-hydroxy-4'-(piperazin-1-ylmethyl)biphenyl-3-yloxy)nicotinamido)cyclohexyl)-2-methylthiazole-4-carboxamide —— C34H37FN6O4S
    N-((1s,4s)-4-(5-fluoro-2-(2'-hydroxy-4'-(piperazin-1-ylmethyl)biphenyl-3-yloxy)nicotinamido)cyclohexyl)-2-methylthiazole-4-carboxamide
    —— N-((1s,4s)-4-(5-fluoro-2-(4'-(3-(4-methyl-1,4-diazepan-1-yl)propyl)biphenyl-3-yloxy)nicotinamido)cyclohexyl)-2-methylthiazole-4-carboxamide —— C38H45FN6O3S
    N-((1s,4s)-4-(5-fluoro-2-(4'-(3-(4-methyl-1,4-diazepan-1-yl)propyl)biphenyl-3-yloxy)nicotinamido)cyclohexyl)-2-methylthiazole-4-carboxamide
    —— N-((1s,4s)-4-(5-fluoro-2-(4'-hydroxy-2'-(morpholinomethyl)biphenyl-3-yloxy)nicotinamido)cyclohexyl)-3-hydroxypicolinamide —— C35H36FN5O6
    N-((1s,4s)-4-(5-fluoro-2-(4'-hydroxy-2'-(morpholinomethyl)biphenyl-3-yloxy)nicotinamido)cyclohexyl)-3-hydroxypicolinamide
    —— N-((1s,4s)-4-(2-(3'-(((3R,5S)-3,5-dimethylpiperazin-1-yl)methyl)-5'-hydroxybiphenyl-3-yloxy)-5-fluoronicotinamido)cyclohexyl)-2-methylthiazole-4-carboxamide —— C36H41FN6O4S
    N-((1s,4s)-4-(2-(3'-(((3R,5S)-3,5-dimethylpiperazin-1-yl)methyl)-5'-hydroxybiphenyl-3-yloxy)-5-fluoronicotinamido)cyclohexyl)-2-methylthiazole-4-carboxamide
    —— N-((1s,4s)-4-(2-(4'-(3-((3S,5R)-3,5-dimethylpiperazin-1-yl)propyl)biphenyl-3-yloxy)-5-fluoronicotinamido)cyclohexyl)-2-methylthiazole-4-carboxamide —— C38H45FN6O3S
    N-((1s,4s)-4-(2-(4'-(3-((3S,5R)-3,5-dimethylpiperazin-1-yl)propyl)biphenyl-3-yloxy)-5-fluoronicotinamido)cyclohexyl)-2-methylthiazole-4-carboxamide
    —— N-((1s,4s)-4-(5-fluoro-2-(4'-(piperazin-1-ylmethyl)biphenyl-3-yloxy)nicotinamido)cyclohexyl)-5,6,7,8-tetrahydro-imidazo[1,2-a]pyridine-2-carboxamide —— C37H42FN7O3
    N-((1s,4s)-4-(5-fluoro-2-(4'-(piperazin-1-ylmethyl)biphenyl-3-yloxy)nicotinamido)cyclohexyl)-5,6,7,8-tetrahydro-imidazo[1,2-a]pyridine-2-carboxamide
    —— N-((1s,4s)-4-(2-(4'-((1,4-oxazepan-4-yl)methyl)biphenyl-3-yloxy)-5-fluoronicotinamido)cyclohexyl)-5-methylimidazo[1,2-a]pyridine-2-carboxamide —— C39H41FN6O4
    N-((1s,4s)-4-(2-(4'-((1,4-oxazepan-4-yl)methyl)biphenyl-3-yloxy)-5-fluoronicotinamido)cyclohexyl)-5-methylimidazo[1,2-a]pyridine-2-carboxamide
    —— N-((1s,4s)-4-(1,5-dimethyl-1H-pyrazole-3-carboxamido)cyclohexyl)-5-fluoro-2-(4'-hydroxy-2'-(thiomorpholinomethyl)biphenyl-3-yloxy)nicotinamide —— C35H39FN6O4S
    N-((1s,4s)-4-(1,5-dimethyl-1H-pyrazole-3-carboxamido)cyclohexyl)-5-fluoro-2-(4'-hydroxy-2'-(thiomorpholinomethyl)biphenyl-3-yloxy)nicotinamide
    —— N-((1s,4s)-4-(5-fluoro-2-(3'-(piperazin-1-ylmethyl)biphenyl-3-yloxy)nicotinamido)cyclohexyl)-5-methylimidazo[1,2-a]pyridine-2-carboxamide —— C38H40FN7O3
    N-((1s,4s)-4-(5-fluoro-2-(3'-(piperazin-1-ylmethyl)biphenyl-3-yloxy)nicotinamido)cyclohexyl)-5-methylimidazo[1,2-a]pyridine-2-carboxamide
    —— N-((1s,4s)-4-(5-fluoro-2-(4'-hydroxy-2'-((4-isopropylpiperazin-1-yl)methyl)biphenyl-3-yloxy)nicotinamido)cyclohexyl)-2-methylthiazole-4-carboxamide —— C37H43FN6O4S
    N-((1s,4s)-4-(5-fluoro-2-(4'-hydroxy-2'-((4-isopropylpiperazin-1-yl)methyl)biphenyl-3-yloxy)nicotinamido)cyclohexyl)-2-methylthiazole-4-carboxamide
    —— N-((1s,4s)-4-(5-fluoro-2-(4'-(pyrrolidin-1-ylmethyl)biphenyl-3-yloxy)nicotinamido)cyclohexyl)-5-methylimidazo[1,2-a]pyridine-2-carboxamide —— C38H39FN6O3
    N-((1s,4s)-4-(5-fluoro-2-(4'-(pyrrolidin-1-ylmethyl)biphenyl-3-yloxy)nicotinamido)cyclohexyl)-5-methylimidazo[1,2-a]pyridine-2-carboxamide
    —— N-((1s,4s)-4-(2-(4'-(2-((3S,5R)-3,5-dimethylpiperazin-1-yl)ethyl)biphenyl-3-yloxy)-5-fluoronicotinamido)cyclohexyl)-2-methylthiazole-4-carboxamide —— C37H43FN6O3S
    N-((1s,4s)-4-(2-(4'-(2-((3S,5R)-3,5-dimethylpiperazin-1-yl)ethyl)biphenyl-3-yloxy)-5-fluoronicotinamido)cyclohexyl)-2-methylthiazole-4-carboxamide
    —— N-((1s,4s)-4-(5-fluoro-2-(2'-hydroxy-4'-(morpholinomethyl)biphenyl-3-yloxy)nicotinamido)cyclohexyl)-2-methylthiazole-4-carboxamide —— C34H36FN5O5S
    N-((1s,4s)-4-(5-fluoro-2-(2'-hydroxy-4'-(morpholinomethyl)biphenyl-3-yloxy)nicotinamido)cyclohexyl)-2-methylthiazole-4-carboxamide
    —— N-((1s,4s)-4-(5-fluoro-2-(4'-(3-(piperazin-1-yl)propyl)biphenyl-3-yloxy)nicotinamido)cyclohexyl)-2-methylthiazole-4-carboxamide —— C36H41FN6O3S
    N-((1s,4s)-4-(5-fluoro-2-(4'-(3-(piperazin-1-yl)propyl)biphenyl-3-yloxy)nicotinamido)cyclohexyl)-2-methylthiazole-4-carboxamide
    —— N-((1s,4s)-4-(5-fluoro-2-(4'-hydroxy-2'-(morpholinomethyl)biphenyl-3-yloxy)nicotinamido)cyclohexyl)-2-isopropylthiazole-5-carboxamide —— C36H40FN5O5S
    N-((1s,4s)-4-(5-fluoro-2-(4'-hydroxy-2'-(morpholinomethyl)biphenyl-3-yloxy)nicotinamido)cyclohexyl)-2-isopropylthiazole-5-carboxamide
    —— N-((1s,4s)-4-(5-fluoro-2-(4'-((4-methyl-1,4-diazepan-1-yl)methyl)biphenyl-3-yloxy)nicotinamido)cyclohexyl)-2-methylthiazole-4-carboxamide —— C36H41FN6O3S
    N-((1s,4s)-4-(5-fluoro-2-(4'-((4-methyl-1,4-diazepan-1-yl)methyl)biphenyl-3-yloxy)nicotinamido)cyclohexyl)-2-methylthiazole-4-carboxamide
    —— N-((1s,4s)-4-(5-fluoro-2-(4'-hydroxy-2'-(morpholinomethyl)biphenyl-3-yloxy)nicotinamido)cyclohexyl)-2-isopropylthiazole-4-carboxamide —— C36H40FN5O5S
    N-((1s,4s)-4-(5-fluoro-2-(4'-hydroxy-2'-(morpholinomethyl)biphenyl-3-yloxy)nicotinamido)cyclohexyl)-2-isopropylthiazole-4-carboxamide
    —— N-((1s,4s)-4-(5-fluoro-2-(4'-hydroxy-2'-(morpholinomethyl)biphenyl-3-yloxy)nicotinamido)cyclohexyl)-2-methylthiazole-4-carboxamide —— C34H36FN5O5S
    N-((1s,4s)-4-(5-fluoro-2-(4'-hydroxy-2'-(morpholinomethyl)biphenyl-3-yloxy)nicotinamido)cyclohexyl)-2-methylthiazole-4-carboxamide
    —— N-((1s,4s)-4-(5-fluoro-2-(4'-hydroxy-2'-(morpholinomethyl)biphenyl-3-yloxy)nicotinamido)cyclohexyl)-6-hydroxypicolinamide —— C35H36FN5O6
    N-((1s,4s)-4-(5-fluoro-2-(4'-hydroxy-2'-(morpholinomethyl)biphenyl-3-yloxy)nicotinamido)cyclohexyl)-6-hydroxypicolinamide
    —— N-((1s,4s)-4-(5-fluoro-2-(4'-hydroxy-2'-(morpholinomethyl)biphenyl-3-yloxy)nicotinamido)cyclohexyl)-4-methylthiazole-5-carboxamide —— C34H36FN5O5S
    N-((1s,4s)-4-(5-fluoro-2-(4'-hydroxy-2'-(morpholinomethyl)biphenyl-3-yloxy)nicotinamido)cyclohexyl)-4-methylthiazole-5-carboxamide