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    首页 分子通 按分子结构分类 有机化合物 有机杂环化合物 内酰胺类

    内酰胺类

    中文名称 英文名称 CAS号 化学式 结构式图片
    —— (7R)-7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-[(1S)-1-carboxyethoxy]iminoacetyl]amino]-3-[(2-amino-1-methylimidazo[4,5-c]pyridin-5-ium-5-yl)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C23H23ClN9O7S2+
    (7R)-7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-[(1S)-1-carboxyethoxy]iminoacetyl]amino]-3-[(2-amino-1-methylimidazo[4,5-c]pyridin-5-ium-5-yl)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (4R)-1-(7-hydroxyhept-2-ynyl)-4-(3-hydroxy-4-naphthalen-2-ylbut-1-enyl)azetidin-2-one —— C24H27NO3
    (4R)-1-(7-hydroxyhept-2-ynyl)-4-(3-hydroxy-4-naphthalen-2-ylbut-1-enyl)azetidin-2-one
    —— 1-(4-Ethylphenyl)-3-methyl-4-octa-2,4-dien-4-ylazetidin-2-one —— C20H27NO
    1-(4-Ethylphenyl)-3-methyl-4-octa-2,4-dien-4-ylazetidin-2-one
    —— (4-nitrophenyl)methyl (4S,5R,6S)-3-[7-[1-(3-azidopropyl)pyridin-1-ium-3-carbonyl]imidazo[5,1-b][1,3]thiazol-2-yl]-6-[(1R)-1-hydroxyethyl]-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate —— C31H29N8O7S+
    (4-nitrophenyl)methyl (4S,5R,6S)-3-[7-[1-(3-azidopropyl)pyridin-1-ium-3-carbonyl]imidazo[5,1-b][1,3]thiazol-2-yl]-6-[(1R)-1-hydroxyethyl]-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate
    —— (4R,5S,6S)-6-[(1R)-1-hydroxyethyl]-3-[2-[4-(hydroxymethyl)-1,3-thiazol-2-yl]ethenylsulfanyl]-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid —— C16H18N2O5S2
    (4R,5S,6S)-6-[(1R)-1-hydroxyethyl]-3-[2-[4-(hydroxymethyl)-1,3-thiazol-2-yl]ethenylsulfanyl]-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid
    —— (6R,7R)-7-[[2-(2-amino-1,3-thiazol-5-yl)-2-methoxyiminoacetyl]amino]-8-oxo-3-(oxolan-2-yl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C17H19N5O6S2
    (6R,7R)-7-[[2-(2-amino-1,3-thiazol-5-yl)-2-methoxyiminoacetyl]amino]-8-oxo-3-(oxolan-2-yl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— 1,4-Dimethyl-6-azabicyclo[3.2.1]octan-7-one —— C9H15NO
    1,4-Dimethyl-6-azabicyclo[3.2.1]octan-7-one
    —— Ethane;methanol;1-(4-methylphenyl)-3-[(4-methylphenyl)methyl]-4-phenylazetidin-2-one —— C27H33NO2
    Ethane;methanol;1-(4-methylphenyl)-3-[(4-methylphenyl)methyl]-4-phenylazetidin-2-one
    —— (4S)-4-[(3S)-3-(4-fluorophenyl)-3-hydroxypropyl]-1-(4-hydroxyphenyl)azetidin-2-one —— C18H18FNO3
    (4S)-4-[(3S)-3-(4-fluorophenyl)-3-hydroxypropyl]-1-(4-hydroxyphenyl)azetidin-2-one
    —— 4-[(2R)-2-(3-hydroxy-4-phenylbut-1-enyl)-4-oxoazetidin-1-yl]butoxymethylphosphonic acid —— C18H26NO6P
    4-[(2R)-2-(3-hydroxy-4-phenylbut-1-enyl)-4-oxoazetidin-1-yl]butoxymethylphosphonic acid
    —— 4-(2-Methylbutyl)azetidin-2-one —— C8H15NO
    4-(2-Methylbutyl)azetidin-2-one
    —— (6R,7R)-7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-[(1S)-1-carboxyethoxy]iminoacetyl]amino]-3-[(1-methoxypyrrolo[3,2-b]pyridin-4-ium-4-yl)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C24H23ClN7O8S2+
    (6R,7R)-7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-[(1S)-1-carboxyethoxy]iminoacetyl]amino]-3-[(1-methoxypyrrolo[3,2-b]pyridin-4-ium-4-yl)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— 2-cyclohexyloxycarbonyloxyethyl (4S,5R,6S)-3-[7-(dimethylsulfamoyl)imidazo[5,1-b][1,3]thiazol-2-yl]-6-[(1R)-1-hydroxyethyl]-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate —— C26H34N4O9S2
    2-cyclohexyloxycarbonyloxyethyl (4S,5R,6S)-3-[7-(dimethylsulfamoyl)imidazo[5,1-b][1,3]thiazol-2-yl]-6-[(1R)-1-hydroxyethyl]-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate
    —— (4-nitrophenyl)methyl (4S,5R,6S)-3-[6-[(3S)-3-azido-3-triethylsilyloxypropyl]-7-methylsulfanylimidazo[5,1-b][1,3]thiazol-6-ium-2-yl]-6-[(1R)-1-hydroxyethyl]-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate —— C32H42N7O7S2Si+
    (4-nitrophenyl)methyl (4S,5R,6S)-3-[6-[(3S)-3-azido-3-triethylsilyloxypropyl]-7-methylsulfanylimidazo[5,1-b][1,3]thiazol-6-ium-2-yl]-6-[(1R)-1-hydroxyethyl]-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate
    —— 2,7,7a,8,11,11a,12,12a-octahydro-1H-pyrido[2,1-b][3]benzazepin-6-one —— C14H19NO
    2,7,7a,8,11,11a,12,12a-octahydro-1H-pyrido[2,1-b][3]benzazepin-6-one
    —— (3S,4R)-3-[(1S)-1-[tert-butyl(dimethyl)silyl]oxyethyl]-4-[2-(3-methoxyphenyl)-2-oxoethyl]azetidin-2-one —— C20H31NO4Si
    (3S,4R)-3-[(1S)-1-[tert-butyl(dimethyl)silyl]oxyethyl]-4-[2-(3-methoxyphenyl)-2-oxoethyl]azetidin-2-one
    —— sodium;5-acetylsulfanyl-5-[(2S,3S)-2-(iodomethyl)-4-oxo-3-[(2-thiophen-2-ylacetyl)amino]azetidin-1-yl]pentanoate —— C17H20IN2NaO5S2
    sodium;5-acetylsulfanyl-5-[(2S,3S)-2-(iodomethyl)-4-oxo-3-[(2-thiophen-2-ylacetyl)amino]azetidin-1-yl]pentanoate
    —— (6R,7R)-8-oxo-7-[(2-pyridin-4-ylacetyl)amino]-3-(pyridin-3-ylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C20H18N4O4S
    (6R,7R)-8-oxo-7-[(2-pyridin-4-ylacetyl)amino]-3-(pyridin-3-ylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (6R,7R)-3-benzyl-8-oxo-7-[(2-phenoxyacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C22H20N2O5S
    (6R,7R)-3-benzyl-8-oxo-7-[(2-phenoxyacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— 5-Acetylsulfanyl-5-[(2S,3S)-2-iodomethyl-4-oxo-3-(2-thiophen-2-yl-acetylamino)-azetidin-1-yl]-pentanoic acid —— C17H21IN2O5S2
    5-Acetylsulfanyl-5-[(2S,3S)-2-iodomethyl-4-oxo-3-(2-thiophen-2-yl-acetylamino)-azetidin-1-yl]-pentanoic acid
    —— (6R,7R)-7-[[(2R)-2-amino-2-(4-hydroxyphenyl)acetyl]amino]-3-benzyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C22H21N3O5S
    (6R,7R)-7-[[(2R)-2-amino-2-(4-hydroxyphenyl)acetyl]amino]-3-benzyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (6R,7R)-7-[[(2R)-2-amino-2-cyclopropylacetyl]amino]-3-benzyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C19H21N3O4S
    (6R,7R)-7-[[(2R)-2-amino-2-cyclopropylacetyl]amino]-3-benzyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— 2,2-dimethylpropanoyloxymethyl (6R,7R)-7-[[(2R)-2-amino-2-phenylacetyl]amino]-3-[(5-methyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate;hydrochloride —— C25H30ClN5O6S3
    2,2-dimethylpropanoyloxymethyl (6R,7R)-7-[[(2R)-2-amino-2-phenylacetyl]amino]-3-[(5-methyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate;hydrochloride
    —— (3-oxo-1H-2-benzofuran-1-yl) (6R,7R)-7-[[(2R)-2-amino-2-phenylacetyl]amino]-3-[(5-methyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate —— C27H23N5O6S3
    (3-oxo-1H-2-benzofuran-1-yl) (6R,7R)-7-[[(2R)-2-amino-2-phenylacetyl]amino]-3-[(5-methyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
    —— sodium;(2S,5R,6R)-3,3-dimethyl-6-[(1-oxido-4-oxo-3-phenylquinoxalin-4-ium-2-carbonyl)amino]-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate —— C23H19N4NaO6S
    sodium;(2S,5R,6R)-3,3-dimethyl-6-[(1-oxido-4-oxo-3-phenylquinoxalin-4-ium-2-carbonyl)amino]-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate
    —— (2S,5R,6R)-3,3-dimethyl-6-[4-(1-oxido-4-oxo-3-phenylquinoxalin-4-ium-2-yl)butanoylamino]-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid —— C26H26N4O6S
    (2S,5R,6R)-3,3-dimethyl-6-[4-(1-oxido-4-oxo-3-phenylquinoxalin-4-ium-2-yl)butanoylamino]-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid
    —— sodium;(2S,5R,6R)-3,3-dimethyl-6-[(3-methyl-4-oxido-1-oxoquinoxalin-1-ium-2-carbonyl)amino]-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate —— C18H17N4NaO6S
    sodium;(2S,5R,6R)-3,3-dimethyl-6-[(3-methyl-4-oxido-1-oxoquinoxalin-1-ium-2-carbonyl)amino]-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate
    —— (2S,5R,6R)-6-[3-(3-ethoxycarbonyl-1-oxido-4-oxoquinoxalin-4-ium-2-yl)propanoylamino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid —— C22H24N4O8S
    (2S,5R,6R)-6-[3-(3-ethoxycarbonyl-1-oxido-4-oxoquinoxalin-4-ium-2-yl)propanoylamino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid
    —— sodium;(2S,5R,6R)-6-[(3-ethoxycarbonyl-4-oxidoquinoxalin-4-ium-2-carbonyl)amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate —— C20H19N4NaO7S
    sodium;(2S,5R,6R)-6-[(3-ethoxycarbonyl-4-oxidoquinoxalin-4-ium-2-carbonyl)amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate
    —— sodium;(6R,7R)-3-[(5-methyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-8-oxo-7-[(2-propylsulfonylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate —— C16H19N4NaO6S4
    sodium;(6R,7R)-3-[(5-methyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-8-oxo-7-[(2-propylsulfonylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
    —— sodium;(6R,7R)-7-[(2-methylsulfonylacetyl)amino]-3-[(4-methyl-1,2,4-triazol-3-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate —— C14H16N5NaO6S3
    sodium;(6R,7R)-7-[(2-methylsulfonylacetyl)amino]-3-[(4-methyl-1,2,4-triazol-3-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
    —— methyl (6R,7R)-3-[(E)-(2-methoxy-2-oxoethoxy)iminomethyl]-8-oxo-7-[(2-thiophen-2-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate —— C18H19N3O7S2
    methyl (6R,7R)-3-[(E)-(2-methoxy-2-oxoethoxy)iminomethyl]-8-oxo-7-[(2-thiophen-2-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
    —— benzhydryl (6R,7R)-3-[(E)-[(4-methylphenyl)sulfonylhydrazinylidene]methyl]-8-oxo-7-[(2-thiophen-2-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate —— C34H30N4O6S3
    benzhydryl (6R,7R)-3-[(E)-[(4-methylphenyl)sulfonylhydrazinylidene]methyl]-8-oxo-7-[(2-thiophen-2-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
    —— sodium;(6R,7R)-3-[(1-methyltetrazol-5-yl)sulfanylmethyl]-8-oxo-7-[[2-(trifluoromethylsulfonyl)acetyl]amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate —— C13H12F3N6NaO6S3
    sodium;(6R,7R)-3-[(1-methyltetrazol-5-yl)sulfanylmethyl]-8-oxo-7-[[2-(trifluoromethylsulfonyl)acetyl]amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
    —— (6R,7R)-3-[(E)-hydroxyiminomethyl]-8-oxo-7-[(2-thiophen-2-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C14H13N3O5S2
    (6R,7R)-3-[(E)-hydroxyiminomethyl]-8-oxo-7-[(2-thiophen-2-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— methyl (6R,7R)-3-[(E)-[methyl-(4-methylphenyl)sulfonylhydrazinylidene]methyl]-8-oxo-7-[(2-thiophen-2-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate —— C23H24N4O6S3
    methyl (6R,7R)-3-[(E)-[methyl-(4-methylphenyl)sulfonylhydrazinylidene]methyl]-8-oxo-7-[(2-thiophen-2-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
    —— (6R,7R)-7-[[(2R)-2-amino-2-phenylacetyl]amino]-8-oxo-3-[(2-oxopyridin-1-yl)methyl]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C21H20N4O5S
    (6R,7R)-7-[[(2R)-2-amino-2-phenylacetyl]amino]-8-oxo-3-[(2-oxopyridin-1-yl)methyl]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— sodium;(6R,7R)-7-[(2-methylsulfonylacetyl)amino]-3-[(5-methyl-1H-1,2,4-triazol-3-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate —— C14H16N5NaO6S3
    sodium;(6R,7R)-7-[(2-methylsulfonylacetyl)amino]-3-[(5-methyl-1H-1,2,4-triazol-3-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
    —— sodium;(6R,7R)-7-[(2-methylsulfonylacetyl)amino]-8-oxo-3-(2H-triazol-4-ylsulfanylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate —— C13H14N5NaO6S3
    sodium;(6R,7R)-7-[(2-methylsulfonylacetyl)amino]-8-oxo-3-(2H-triazol-4-ylsulfanylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
    —— sodium;(6R,7R)-3-(acetyloxymethyl)-7-(2-methylsulfonylpropanoylamino)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate —— C14H17N2NaO8S2
    sodium;(6R,7R)-3-(acetyloxymethyl)-7-(2-methylsulfonylpropanoylamino)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
    —— sodium;(6R,7R)-7-[(2-methylsulfonylacetyl)amino]-3-[(1-methyltetrazol-5-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate —— C13H15N6NaO6S3
    sodium;(6R,7R)-7-[(2-methylsulfonylacetyl)amino]-3-[(1-methyltetrazol-5-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
    —— benzhydryl (6R,7R)-3-[(E)-(ethoxycarbonylhydrazinylidene)methyl]-8-oxo-7-[(2-thiophen-2-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate —— C30H28N4O6S2
    benzhydryl (6R,7R)-3-[(E)-(ethoxycarbonylhydrazinylidene)methyl]-8-oxo-7-[(2-thiophen-2-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
    —— sodium;(6R,7R)-7-[(2-butylsulfonylacetyl)amino]-3-[(1-methyltetrazol-5-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate —— C16H21N6NaO6S3
    sodium;(6R,7R)-7-[(2-butylsulfonylacetyl)amino]-3-[(1-methyltetrazol-5-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
    —— benzhydryl (6R,7R)-3-[(E)-[methyl-(4-methylphenyl)sulfonylhydrazinylidene]methyl]-8-oxo-7-[(2-thiophen-2-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate —— C35H32N4O6S3
    benzhydryl (6R,7R)-3-[(E)-[methyl-(4-methylphenyl)sulfonylhydrazinylidene]methyl]-8-oxo-7-[(2-thiophen-2-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
    —— sodium;(6R,7R)-7-(2-methylsulfonylpropanoylamino)-3-[(1-methyltetrazol-5-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate —— C14H17N6NaO6S3
    sodium;(6R,7R)-7-(2-methylsulfonylpropanoylamino)-3-[(1-methyltetrazol-5-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
    —— sodium;(6R,7R)-7-[(2-ethylsulfonylacetyl)amino]-3-[(1-methyltetrazol-5-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate —— C14H17N6NaO6S3
    sodium;(6R,7R)-7-[(2-ethylsulfonylacetyl)amino]-3-[(1-methyltetrazol-5-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
    —— (6R,7R)-7-[[(2R)-2-amino-2-phenylacetyl]amino]-8-oxo-3-[(4-oxopyridin-1-yl)methyl]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C21H20N4O5S
    (6R,7R)-7-[[(2R)-2-amino-2-phenylacetyl]amino]-8-oxo-3-[(4-oxopyridin-1-yl)methyl]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (6R,7R)-7-[[(2R)-2-amino-2-phenylacetyl]amino]-3-[(4-methylpyridin-3-yl)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C22H22N4O4S
    (6R,7R)-7-[[(2R)-2-amino-2-phenylacetyl]amino]-3-[(4-methylpyridin-3-yl)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (6R,7R)-3-[(5-methyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-8-oxo-7-[(2-pyrrol-1-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C17H17N5O4S3
    (6R,7R)-3-[(5-methyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-8-oxo-7-[(2-pyrrol-1-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (6R,7R)-3-[(E)-3-(1-methyltetrazol-5-yl)sulfanylprop-1-enyl]-8-oxo-7-[(2-thiophen-2-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C18H18N6O4S3
    (6R,7R)-3-[(E)-3-(1-methyltetrazol-5-yl)sulfanylprop-1-enyl]-8-oxo-7-[(2-thiophen-2-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid