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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
    —— Potassium;3-(acetamidomethylsulfanyl)-6-(1-hydroxyethyl)-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate —— C13H17KN2O5S
    Potassium;3-(acetamidomethylsulfanyl)-6-(1-hydroxyethyl)-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate
    —— (4R,6S)-3-[5-(aminomethyl)oxolan-3-yl]sulfanyl-6-(1-hydroxyethyl)-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid —— C15H22N2O5S
    (4R,6S)-3-[5-(aminomethyl)oxolan-3-yl]sulfanyl-6-(1-hydroxyethyl)-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid
    —— sodium;(2R,3E,5R,6S)-3-(1-chloro-2-methoxy-2-oxoethylidene)-6-(1-hydroxyethyl)-7-oxo-1-azabicyclo[3.2.0]heptane-2-carboxylate —— C12H13ClNNaO6
    sodium;(2R,3E,5R,6S)-3-(1-chloro-2-methoxy-2-oxoethylidene)-6-(1-hydroxyethyl)-7-oxo-1-azabicyclo[3.2.0]heptane-2-carboxylate
    —— (S)-4-(Phenylthio)-N-(4-phenyl-2-oxobutyl)azetidin-2-one —— C19H19NO2S
    (S)-4-(Phenylthio)-N-(4-phenyl-2-oxobutyl)azetidin-2-one
    —— (2R,3E,5R,6S)-3-(1-chloro-2-methoxy-2-oxoethylidene)-6-(1-hydroxyethyl)-7-oxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid —— C12H14ClNO6
    (2R,3E,5R,6S)-3-(1-chloro-2-methoxy-2-oxoethylidene)-6-(1-hydroxyethyl)-7-oxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid
    —— 4β-hydroxymethyl-7,7-di-n-butyl-5α-methyl-1,3,4,5,5aβ,6,7,8,9,9aα-decahydro-2H-benz<d>azepin-2-one —— C20H37NO2
    4β-hydroxymethyl-7,7-di-n-butyl-5α-methyl-1,3,4,5,5aβ,6,7,8,9,9aα-decahydro-2H-benz<d>azepin-2-one
    —— (4S,6S)-6-(1-hydroxyethyl)-4-methyl-7-oxo-3-(pyridin-1-ium-1-ylmethyl)-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate —— C16H18N2O4
    (4S,6S)-6-(1-hydroxyethyl)-4-methyl-7-oxo-3-(pyridin-1-ium-1-ylmethyl)-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate
    —— 4-(Furan-2-yl)-3-(2,2,5,5-tetramethyl-1,2,5-azadisilolidin-1-yl)azetidin-2-one —— C13H22N2O2Si2
    4-(Furan-2-yl)-3-(2,2,5,5-tetramethyl-1,2,5-azadisilolidin-1-yl)azetidin-2-one
    —— (2S,3S)-3-acetamido-2-(carbamoyloxymethyl)-4-oxoazetidine-1-sulfonic acid —— C7H11N3O7S
    (2S,3S)-3-acetamido-2-(carbamoyloxymethyl)-4-oxoazetidine-1-sulfonic acid
    —— (6R,7R)-3-(acetoxymethyl)-7-{[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-(methoxyimino)acetyl]amino}-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate —— C16H16N5O7S2-
    (6R,7R)-3-(acetoxymethyl)-7-{[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-(methoxyimino)acetyl]amino}-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
    —— 1-[[2-(2-hydroxyethyl)-5-[(R)-hydroxy(phenyl)methyl]-1,2,4-triazol-3-yl]methyl]azepan-2-one —— C18H24N4O3
    1-[[2-(2-hydroxyethyl)-5-[(R)-hydroxy(phenyl)methyl]-1,2,4-triazol-3-yl]methyl]azepan-2-one
    —— 1-[[2-(2-hydroxyethyl)-5-[(S)-hydroxy(phenyl)methyl]-1,2,4-triazol-3-yl]methyl]azepan-2-one —— C18H24N4O3
    1-[[2-(2-hydroxyethyl)-5-[(S)-hydroxy(phenyl)methyl]-1,2,4-triazol-3-yl]methyl]azepan-2-one
    —— 2,5-dimethyl-N-[3-(2-oxoazepan-1-yl)propyl]-1-[(1R)-1-phenylethyl]pyrrole-3-carboxamide —— C24H33N3O2
    2,5-dimethyl-N-[3-(2-oxoazepan-1-yl)propyl]-1-[(1R)-1-phenylethyl]pyrrole-3-carboxamide
    —— 1-propan-2-yloxycarbonyloxyethyl 7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-hydroxyiminoacetyl]amino]-3-(dimethylcarbamoyloxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate —— C22H28N6O10S2
    1-propan-2-yloxycarbonyloxyethyl 7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-hydroxyiminoacetyl]amino]-3-(dimethylcarbamoyloxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
    —— disodium;(6R,7R)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-8-oxo-3-[[1-[2-(sulfonatoamino)ethyl]tetrazol-5-yl]sulfanylmethyl]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate —— C17H18N10Na2O8S4
    disodium;(6R,7R)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-8-oxo-3-[[1-[2-(sulfonatoamino)ethyl]tetrazol-5-yl]sulfanylmethyl]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
    —— (6R,7R)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-[(1,5-dihydroxy-4-oxopyridin-2-yl)methoxyimino]acetyl]amino]-8-oxo-3-(thiadiazol-5-ylsulfanylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C21H18N8O8S4
    (6R,7R)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-[(1,5-dihydroxy-4-oxopyridin-2-yl)methoxyimino]acetyl]amino]-8-oxo-3-(thiadiazol-5-ylsulfanylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— disodium;(6R,7R)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-[(1-hydroxy-5-oxido-4-oxopyridin-2-yl)methoxyimino]acetyl]amino]-8-oxo-3-(thiadiazol-5-ylsulfanylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate —— C21H16N8Na2O8S4
    disodium;(6R,7R)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-[(1-hydroxy-5-oxido-4-oxopyridin-2-yl)methoxyimino]acetyl]amino]-8-oxo-3-(thiadiazol-5-ylsulfanylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
    —— trisodium;(6R,7R)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-[(S)-carboxylato-(3,4-dihydroxyphenyl)methoxy]iminoacetyl]amino]-3-[(2-carboxylato-5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate —— C28H20N9Na3O11S3
    trisodium;(6R,7R)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-[(S)-carboxylato-(3,4-dihydroxyphenyl)methoxy]iminoacetyl]amino]-3-[(2-carboxylato-5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
    —— 1-(2-chloro-3-methylphenyl)-3-[(3S)-2-oxo-1-phenylazetidin-3-yl]urea —— C17H16ClN3O2
    1-(2-chloro-3-methylphenyl)-3-[(3S)-2-oxo-1-phenylazetidin-3-yl]urea
    —— 7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-hydroxyiminoacetyl]amino]-3-[(E)-2-(3-methoxy-1,2-oxazol-5-yl)ethenyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C18H16N6O7S2
    7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-hydroxyiminoacetyl]amino]-3-[(E)-2-(3-methoxy-1,2-oxazol-5-yl)ethenyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— 1-(2-chloro-3-methylphenyl)-3-[(3R)-2-oxo-1-phenylazetidin-3-yl]urea —— C17H16ClN3O2
    1-(2-chloro-3-methylphenyl)-3-[(3R)-2-oxo-1-phenylazetidin-3-yl]urea
    —— 1-(4-cyanophenyl)-3-[(3R)-2-oxo-1-phenylazetidin-3-yl]urea —— C17H14N4O2
    1-(4-cyanophenyl)-3-[(3R)-2-oxo-1-phenylazetidin-3-yl]urea
    —— 1-(4-cyanophenyl)-3-[(3S)-2-oxo-1-phenylazetidin-3-yl]urea —— C17H14N4O2
    1-(4-cyanophenyl)-3-[(3S)-2-oxo-1-phenylazetidin-3-yl]urea
    —— 3-(benzimidazol-1-yl)-N-[(3R)-1-(4-fluorophenyl)-2-oxoazetidin-3-yl]propanamide —— C19H17FN4O2
    3-(benzimidazol-1-yl)-N-[(3R)-1-(4-fluorophenyl)-2-oxoazetidin-3-yl]propanamide
    —— 3-(benzimidazol-1-yl)-N-[(3S)-1-(4-fluorophenyl)-2-oxoazetidin-3-yl]propanamide —— C19H17FN4O2
    3-(benzimidazol-1-yl)-N-[(3S)-1-(4-fluorophenyl)-2-oxoazetidin-3-yl]propanamide
    —— (E)-N'-(4-(dimethylamino)benzylidene)-3-(1,8,8-trimethyl-2,4-dioxo-3-azabicyclo[3.2.1]octan-3-yl)propanehydrazide —— C22H30N4O3
    (E)-N'-(4-(dimethylamino)benzylidene)-3-(1,8,8-trimethyl-2,4-dioxo-3-azabicyclo[3.2.1]octan-3-yl)propanehydrazide
    —— 4-cyano-N-[(3S)-2-oxo-1-phenylazetidin-3-yl]-1H-pyrrole-2-carboxamide —— C15H12N4O2
    4-cyano-N-[(3S)-2-oxo-1-phenylazetidin-3-yl]-1H-pyrrole-2-carboxamide
    —— 4-cyano-N-[(3R)-2-oxo-1-phenylazetidin-3-yl]-1H-pyrrole-2-carboxamide —— C15H12N4O2
    4-cyano-N-[(3R)-2-oxo-1-phenylazetidin-3-yl]-1H-pyrrole-2-carboxamide
    —— 3-[(carbamoyloxy)methyl]-7-{[(2E)-2-(furan-2-yl)-2-(methoxyimino)acetyl]amino}-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate —— C16H15N4O8S-
    3-[(carbamoyloxy)methyl]-7-{[(2E)-2-(furan-2-yl)-2-(methoxyimino)acetyl]amino}-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
    —— Lopac-C-5793 —— C18H16N8Na2O7S3
    Lopac-C-5793
    —— Lopac-C-7912 —— C16H16N5NaO7S2
    Lopac-C-7912
    —— (6S,7R)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-(carboxymethoxyimino)acetyl]amino]-3-ethenyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C16H15N5O7S2
    (6S,7R)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-(carboxymethoxyimino)acetyl]amino]-3-ethenyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (6S,7R)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-(2-carboxypropan-2-yloxyimino)acetyl]amino]-8-oxo-3-(pyridin-1-ium-1-ylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate;pentahydrate —— C22H32N6O12S2
    (6S,7R)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-(2-carboxypropan-2-yloxyimino)acetyl]amino]-8-oxo-3-(pyridin-1-ium-1-ylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate;pentahydrate
    —— (6R)-3-(carbamoyloxymethyl)-7-[[(2E)-2-(furan-2-yl)-2-methoxyiminoacetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C16H16N4O8S
    (6R)-3-(carbamoyloxymethyl)-7-[[(2E)-2-(furan-2-yl)-2-methoxyiminoacetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— 7-[[(2E)-2-(5-aminothiophen-3-yl)-2-methoxyiminoacetyl]amino]-3-[[5-(methylamino)-1,3,4-thiadiazol-2-yl]sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C18H19N7O5S4
    7-[[(2E)-2-(5-aminothiophen-3-yl)-2-methoxyiminoacetyl]amino]-3-[[5-(methylamino)-1,3,4-thiadiazol-2-yl]sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (6S,7S)-7-[[(2E)-2-(2-amino-1,3-thiazol-4-yl)-2-[(1S)-1-carboxyethoxy]iminoacetyl]amino]-3-[(1-methylpyridin-1-ium-4-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C22H23N6O7S3+
    (6S,7S)-7-[[(2E)-2-(2-amino-1,3-thiazol-4-yl)-2-[(1S)-1-carboxyethoxy]iminoacetyl]amino]-3-[(1-methylpyridin-1-ium-4-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— 7-[[(2Z)-2-(2-amino-1,3-thiazol-5-yl)-2-(2-carboxypropan-2-yloxyimino)acetyl]amino]-3-[(4-carboxy-3-oxo-1,2-thiazol-5-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C21H20N6O10S4
    7-[[(2Z)-2-(2-amino-1,3-thiazol-5-yl)-2-(2-carboxypropan-2-yloxyimino)acetyl]amino]-3-[(4-carboxy-3-oxo-1,2-thiazol-5-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (6R,7R)-7-[[(2E)-2-(2-amino-1,3-thiazol-4-yl)-2-(2-carboxypropan-2-yloxyimino)acetyl]amino]-3-[(E)-2-[1-(carboxymethyl)-5-hydroxy-4-oxopyridin-2-yl]ethenyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C25H24N6O11S2
    (6R,7R)-7-[[(2E)-2-(2-amino-1,3-thiazol-4-yl)-2-(2-carboxypropan-2-yloxyimino)acetyl]amino]-3-[(E)-2-[1-(carboxymethyl)-5-hydroxy-4-oxopyridin-2-yl]ethenyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (6R,7R)-7-[[(2E)-2-(2-Amino-1,3-thiazol-4-yl)-2-[1-[2-(3,4-dihydroxybenzoyl)hydrazinyl]-2-methyl-1-oxopropan-2-yl]oxyiminoacetyl]amino]-3-[(2-carboxy-5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C31H29N11O11S3
    (6R,7R)-7-[[(2E)-2-(2-Amino-1,3-thiazol-4-yl)-2-[1-[2-(3,4-dihydroxybenzoyl)hydrazinyl]-2-methyl-1-oxopropan-2-yl]oxyiminoacetyl]amino]-3-[(2-carboxy-5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (1S)-2,2-dichloro-N-[3-(2-oxoazepan-1-yl)propyl]cyclopropane-1-carboxamide —— C13H20Cl2N2O2
    (1S)-2,2-dichloro-N-[3-(2-oxoazepan-1-yl)propyl]cyclopropane-1-carboxamide
    —— (6R,7R)-7-[[(2E)-2-(2-amino-1,3-thiazol-4-yl)-2-(carboxymethoxyimino)acetyl]amino]-3-[(1-methylpyridin-1-ium-4-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C21H21N6O7S3+
    (6R,7R)-7-[[(2E)-2-(2-amino-1,3-thiazol-4-yl)-2-(carboxymethoxyimino)acetyl]amino]-3-[(1-methylpyridin-1-ium-4-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (1R)-2,2-dichloro-N-[3-(2-oxoazepan-1-yl)propyl]cyclopropane-1-carboxamide —— C13H20Cl2N2O2
    (1R)-2,2-dichloro-N-[3-(2-oxoazepan-1-yl)propyl]cyclopropane-1-carboxamide
    —— 2-[3-[[(2E)-2-(2-amino-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-2-methyl-4-oxoazetidin-1-yl]oxyacetic acid —— C12H15N5O6S
    2-[3-[[(2E)-2-(2-amino-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-2-methyl-4-oxoazetidin-1-yl]oxyacetic acid
    —— (6R,7R)-3-[[4-(2-aminoethylsulfonylamino)-3-hydroxybenzoyl]oxymethyl]-7-[[(2E)-2-(2-amino-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C23H25N7O10S3
    (6R,7R)-3-[[4-(2-aminoethylsulfonylamino)-3-hydroxybenzoyl]oxymethyl]-7-[[(2E)-2-(2-amino-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (6S,7S)-7-[[(2E)-2-(2-amino-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-3-[(3-methylbenzotriazol-3-ium-1-yl)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C21H21N8O5S2+
    (6S,7S)-7-[[(2E)-2-(2-amino-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-3-[(3-methylbenzotriazol-3-ium-1-yl)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— 7-[[(2E)-2-(2-Amino-1,3-thiazol-4-yl)-2-[carboxy-(3,4-dihydroxyphenyl)methoxy]iminoacetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C20H17N5O9S2
    7-[[(2E)-2-(2-Amino-1,3-thiazol-4-yl)-2-[carboxy-(3,4-dihydroxyphenyl)methoxy]iminoacetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— 1-(4-methoxybutanoyloxy)ethyl (6R,7R)-3-(carbamoyloxymethyl)-7-[[(2Z)-2-(furan-2-yl)-2-methoxyiminoacetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate —— C23H28N4O11S
    1-(4-methoxybutanoyloxy)ethyl (6R,7R)-3-(carbamoyloxymethyl)-7-[[(2Z)-2-(furan-2-yl)-2-methoxyiminoacetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
    —— (6S,7S)-7-[[(2E)-2-(2-amino-1,3-thiazol-4-yl)-2-(2-carboxypropan-2-yloxyimino)acetyl]amino]-8-oxo-3-[(1-prop-2-enylpyridin-1-ium-2-yl)sulfinylmethyl]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C25H27N6O8S3+
    (6S,7S)-7-[[(2E)-2-(2-amino-1,3-thiazol-4-yl)-2-(2-carboxypropan-2-yloxyimino)acetyl]amino]-8-oxo-3-[(1-prop-2-enylpyridin-1-ium-2-yl)sulfinylmethyl]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (6R,7R)-7-[[(2E)-2-(2-amino-1,3-thiazol-4-yl)-2-[1-[2-(3,4-dihydroxybenzoyl)hydrazinyl]-2-methyl-1-oxopropan-2-yl]oxyiminoacetyl]amino]-3-[(2-carbamoyl-5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C31H30N12O10S3
    (6R,7R)-7-[[(2E)-2-(2-amino-1,3-thiazol-4-yl)-2-[1-[2-(3,4-dihydroxybenzoyl)hydrazinyl]-2-methyl-1-oxopropan-2-yl]oxyiminoacetyl]amino]-3-[(2-carbamoyl-5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (6R,7R)-7-[[(2E)-2-(3-hydroxy-2-imino-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-8-oxo-3-(tetrazolo[1,5-b]pyridazin-6-ylsulfanylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C18H16N10O6S3
    (6R,7R)-7-[[(2E)-2-(3-hydroxy-2-imino-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-8-oxo-3-(tetrazolo[1,5-b]pyridazin-6-ylsulfanylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid