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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
    —— (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-carboxylic acid —— C19H19N5O4S3
    (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-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 —— C25H29N5O6S3
    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
    —— acetyloxymethyl (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 —— C22H24ClN5O6S3
    acetyloxymethyl (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;hydrochloride —— C27H24ClN5O6S3
    (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;hydrochloride
    —— sodium;[(6R,7R)-2-carboxy-7-[[2-(3-methyl-4-oxido-1-oxoquinoxalin-1-ium-2-yl)acetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methanolate —— C19H17N4NaO7S
    sodium;[(6R,7R)-2-carboxy-7-[[2-(3-methyl-4-oxido-1-oxoquinoxalin-1-ium-2-yl)acetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methanolate
    —— (6R,7R)-3-(hydroxymethyl)-7-[[2-(3-methyl-4-oxido-1-oxoquinoxalin-1-ium-2-yl)acetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C19H18N4O7S
    (6R,7R)-3-(hydroxymethyl)-7-[[2-(3-methyl-4-oxido-1-oxoquinoxalin-1-ium-2-yl)acetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (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-carboxylic acid —— C23H20N4O6S
    (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-carboxylic acid
    —— sodium;(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-carboxylate —— C22H23N4NaO8S
    sodium;(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-carboxylate
    —— (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-carboxylic acid —— C20H20N4O7S
    (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-carboxylic acid
    —— (2S,5R,6R)-6-[(2,3-dimethyl-4-oxido-1-oxoquinoxalin-1-ium-6-carbonyl)amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid —— C19H20N4O6S
    (2S,5R,6R)-6-[(2,3-dimethyl-4-oxido-1-oxoquinoxalin-1-ium-6-carbonyl)amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid
    —— sodium;(2S,5R,6R)-6-[(2,3-dimethyl-4-oxido-1-oxoquinoxalin-1-ium-6-carbonyl)amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate —— C19H19N4NaO6S
    sodium;(2S,5R,6R)-6-[(2,3-dimethyl-4-oxido-1-oxoquinoxalin-1-ium-6-carbonyl)amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate
    —— (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-carboxylic acid —— C18H18N4O6S
    (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-carboxylic acid
    —— (2S,5R,6R)-3,3-dimethyl-6-[[2-(3-methyl-4-oxido-1-oxoquinoxalin-1-ium-2-yl)acetyl]amino]-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid —— C19H20N4O6S
    (2S,5R,6R)-3,3-dimethyl-6-[[2-(3-methyl-4-oxido-1-oxoquinoxalin-1-ium-2-yl)acetyl]amino]-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid
    —— (6R,7R)-8-oxo-3-(5-phenyl-1,2-oxazol-3-yl)-7-[(2-thiophen-2-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C22H17N3O5S2
    (6R,7R)-8-oxo-3-(5-phenyl-1,2-oxazol-3-yl)-7-[(2-thiophen-2-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— benzhydryl (6R,7R)-3-[(E)-(acetyloxyhydrazinylidene)methyl]-8-oxo-7-[(2-thiophen-2-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate —— C29H26N4O6S2
    benzhydryl (6R,7R)-3-[(E)-(acetyloxyhydrazinylidene)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-methylsulfonylacetyl)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 —— C14H15N4NaO6S4
    sodium;(6R,7R)-7-[(2-methylsulfonylacetyl)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
    —— lithium;[(E)-[(6R,7R)-2-benzhydryloxycarbonyl-8-oxo-7-[(2-thiophen-2-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methylideneamino]-(4-methylphenyl)sulfonylazanide —— C34H29LiN4O6S3
    lithium;[(E)-[(6R,7R)-2-benzhydryloxycarbonyl-8-oxo-7-[(2-thiophen-2-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methylideneamino]-(4-methylphenyl)sulfonylazanide
    —— dimethyl 3-[(6R,7R)-2-benzhydryloxycarbonyl-8-oxo-7-[(2-thiophen-2-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]-1H-pyrazole-4,5-dicarboxylate —— C33H28N4O8S2
    dimethyl 3-[(6R,7R)-2-benzhydryloxycarbonyl-8-oxo-7-[(2-thiophen-2-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]-1H-pyrazole-4,5-dicarboxylate
    —— sodium;(6R,7R)-3-(acetyloxymethyl)-8-oxo-7-[(2-sulfamoylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate —— C12H14N3NaO8S2
    sodium;(6R,7R)-3-(acetyloxymethyl)-8-oxo-7-[(2-sulfamoylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
    —— benzhydryl (6R,7R)-3-[(E)-[(4-nitrophenyl)hydrazinylidene]methyl]-8-oxo-7-[(2-thiophen-2-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate —— C33H27N5O6S2
    benzhydryl (6R,7R)-3-[(E)-[(4-nitrophenyl)hydrazinylidene]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-(acetyloxymethyl)-7-[(2-ethylsulfonylacetyl)amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate —— C14H17N2NaO8S2
    sodium;(6R,7R)-3-(acetyloxymethyl)-7-[(2-ethylsulfonylacetyl)amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
    —— (6R,7R)-3-(5-methoxycarbonyl-1-methylpyrazol-3-yl)-8-oxo-7-[(2-thiophen-2-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C19H18N4O6S2
    (6R,7R)-3-(5-methoxycarbonyl-1-methylpyrazol-3-yl)-8-oxo-7-[(2-thiophen-2-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— sodium;(6R,7R)-3-(acetyloxymethyl)-7-[[2-(benzenesulfonyl)acetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate —— C18H17N2NaO8S2
    sodium;(6R,7R)-3-(acetyloxymethyl)-7-[[2-(benzenesulfonyl)acetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
    —— benzhydryl (6R,7R)-3-[(E)-(benzoylhydrazinylidene)methyl]-8-oxo-7-[(2-thiophen-2-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate —— C34H28N4O5S2
    benzhydryl (6R,7R)-3-[(E)-(benzoylhydrazinylidene)methyl]-8-oxo-7-[(2-thiophen-2-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
    —— (6<i>R</i>)-3-(1-methyl-1<i>H</i>-tetrazol-5-ylsulfanylmethyl)-8-oxo-7<i>t</i>-(2-sulfamoyl-acetylamino)-(6<i>r</i><i>H</i>)-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C12H15N7O6S3
    (6<i>R</i>)-3-(1-methyl-1<i>H</i>-tetrazol-5-ylsulfanylmethyl)-8-oxo-7<i>t</i>-(2-sulfamoyl-acetylamino)-(6<i>r</i><i>H</i>)-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— sodium;(6R,7R)-3-[(1-methyltetrazol-5-yl)sulfanylmethyl]-8-oxo-7-[(2-propylsulfonylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate —— C15H19N6NaO6S3
    sodium;(6R,7R)-3-[(1-methyltetrazol-5-yl)sulfanylmethyl]-8-oxo-7-[(2-propylsulfonylacetyl)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-sulfamoylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate —— C12H14N7NaO6S3
    sodium;(6R,7R)-3-[(1-methyltetrazol-5-yl)sulfanylmethyl]-8-oxo-7-[(2-sulfamoylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
    —— (6R,7R)-7-[(2-methylsulfonylacetyl)amino]-8-oxo-3-(2H-triazol-4-ylsulfanylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C13H15N5O6S3
    (6R,7R)-7-[(2-methylsulfonylacetyl)amino]-8-oxo-3-(2H-triazol-4-ylsulfanylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— benzhydryl (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 —— C30H27N3O7S2
    benzhydryl (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
    —— (6R,7R)-3-(5-methoxycarbonyl-1H-pyrazol-3-yl)-8-oxo-7-[(2-thiophen-2-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C18H16N4O6S2
    (6R,7R)-3-(5-methoxycarbonyl-1H-pyrazol-3-yl)-8-oxo-7-[(2-thiophen-2-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— benzhydryl (6R,7R)-8-oxo-3-[(E)-phenylmethoxyiminomethyl]-7-[(2-thiophen-2-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate —— C34H29N3O5S2
    benzhydryl (6R,7R)-8-oxo-3-[(E)-phenylmethoxyiminomethyl]-7-[(2-thiophen-2-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
    —— methyl (6R,7R)-3-[(E)-hydroxyiminomethyl]-8-oxo-7-[(2-thiophen-2-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate —— C15H15N3O5S2
    methyl (6R,7R)-3-[(E)-hydroxyiminomethyl]-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-methylsulfonylacetyl)amino]-8-oxo-3-(2H-tetrazol-5-ylsulfanylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate —— C12H13N6NaO6S3
    sodium;(6R,7R)-7-[(2-methylsulfonylacetyl)amino]-8-oxo-3-(2H-tetrazol-5-ylsulfanylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
    —— (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-carboxylic acid —— C17H17N3O7S2
    (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-carboxylic acid
    —— (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-carboxylic acid —— C22H22N4O6S3
    (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-carboxylic acid
    —— 2-[(E)-[(6R,7R)-2-benzhydryloxycarbonyl-8-oxo-7-[(2-thiophen-2-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methylideneamino]oxyacetic acid —— C29H25N3O7S2
    2-[(E)-[(6R,7R)-2-benzhydryloxycarbonyl-8-oxo-7-[(2-thiophen-2-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methylideneamino]oxyacetic acid
    —— benzhydryl (6R,7R)-3-[(E)-methoxyiminomethyl]-8-oxo-7-[(2-thiophen-2-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate —— C28H25N3O5S2
    benzhydryl (6R,7R)-3-[(E)-methoxyiminomethyl]-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-[(5-methyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate —— C17H21N4NaO6S4
    sodium;(6R,7R)-7-[(2-butylsulfonylacetyl)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
    —— benzhydryl (6R,7R)-3-[(E)-hydroxyiminomethyl]-8-oxo-7-[(2-thiophen-2-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate —— C27H23N3O5S2
    benzhydryl (6R,7R)-3-[(E)-hydroxyiminomethyl]-8-oxo-7-[(2-thiophen-2-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
    —— (+/-)-1-Carbacefamandol —— C19H20N6O5S
    (+/-)-1-Carbacefamandol
    —— (6R,7R)-7-[[(2R)-2-amino-2-phenylacetyl]amino]-3-[(1-methylpyrrol-2-yl)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C21H22N4O4S
    (6R,7R)-7-[[(2R)-2-amino-2-phenylacetyl]amino]-3-[(1-methylpyrrol-2-yl)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (6R,7R)-7-[[(2R)-2-amino-2-phenylacetyl]amino]-3-[(5-carboxypyridin-3-yl)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C22H20N4O6S
    (6R,7R)-7-[[(2R)-2-amino-2-phenylacetyl]amino]-3-[(5-carboxypyridin-3-yl)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (6R,7R)-7-[[(2R)-2-amino-2-phenylacetyl]amino]-3-[(2-carboxyphenyl)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C23H21N3O6S
    (6R,7R)-7-[[(2R)-2-amino-2-phenylacetyl]amino]-3-[(2-carboxyphenyl)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (6R,7R)-7-[[(2R)-2-amino-2-phenylacetyl]amino]-3-[(3-carboxyphenyl)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C23H21N3O6S
    (6R,7R)-7-[[(2R)-2-amino-2-phenylacetyl]amino]-3-[(3-carboxyphenyl)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (6R,7R)-7-[[(2R)-2-amino-2-phenylacetyl]amino]-8-oxo-3-[[2-(trifluoromethyl)phenyl]methyl]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C23H20F3N3O4S
    (6R,7R)-7-[[(2R)-2-amino-2-phenylacetyl]amino]-8-oxo-3-[[2-(trifluoromethyl)phenyl]methyl]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (6R,7R)-7-[[(2R)-2-amino-2-phenylacetyl]amino]-3-(oxan-2-ylmethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C21H25N3O5S
    (6R,7R)-7-[[(2R)-2-amino-2-phenylacetyl]amino]-3-(oxan-2-ylmethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (6R,7R)-7-[[(2R)-2-amino-2-phenylacetyl]amino]-3-[[4-(dimethylsulfamoyl)phenyl]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C24H26N4O6S2
    (6R,7R)-7-[[(2R)-2-amino-2-phenylacetyl]amino]-3-[[4-(dimethylsulfamoyl)phenyl]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (6R,7R)-7-[[2-(2-formylpyrrol-1-yl)acetyl]amino]-3-[(1-methyltetrazol-5-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C17H17N7O5S2
    (6R,7R)-7-[[2-(2-formylpyrrol-1-yl)acetyl]amino]-3-[(1-methyltetrazol-5-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (6R,7R)-7-[[(2R)-2-amino-2-phenylacetyl]amino]-8-oxo-3-(pyridin-3-ylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C21H20N4O4S
    (6R,7R)-7-[[(2R)-2-amino-2-phenylacetyl]amino]-8-oxo-3-(pyridin-3-ylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (6R,7R)-7-[(2-indol-1-ylacetyl)amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C18H17N3O4S
    (6R,7R)-7-[(2-indol-1-ylacetyl)amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid