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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
    —— 4-nitrobenzyl(1S,5R,6S)-2-(5-chloro-7-methylthioimidazo[5,1-b]thiazol-2-yl)-6-((1R)-1-hydroxyethyl)-1-methyl-1-carbapen-2-em-3-carboxylate 258840-97-0 C23H21ClN4O6S2
    4-nitrobenzyl(1S,5R,6S)-2-(5-chloro-7-methylthioimidazo[5,1-b]thiazol-2-yl)-6-((1R)-1-hydroxyethyl)-1-methyl-1-carbapen-2-em-3-carboxylate
    —— methyl 3-methoxy-4-[(2R)-4-oxoazetidin-2-yl]but-2-enoate 80528-23-0 C9H13NO4
    methyl 3-methoxy-4-[(2R)-4-oxoazetidin-2-yl]but-2-enoate
    —— 4-nitrobenzyl(1S,5R,6S)-2-(5-bromo-7-methylthioimidazo[5,1-b]thiazol-2-yl)-6-((1R)-1-hydroxyethyl)-1-methyl-1-carbapen-2-em-3-carboxylate 258840-93-6 C23H21BrN4O6S2
    4-nitrobenzyl(1S,5R,6S)-2-(5-bromo-7-methylthioimidazo[5,1-b]thiazol-2-yl)-6-((1R)-1-hydroxyethyl)-1-methyl-1-carbapen-2-em-3-carboxylate
    —— Diethyl 1-(2,4-dimethoxybenzyl)-4-oxo-2,2-azetidine-dicarboxylate 86694-73-7 C18H23NO7
    Diethyl 1-(2,4-dimethoxybenzyl)-4-oxo-2,2-azetidine-dicarboxylate
    —— (3R,4S)-3-Methoxy-4-{[(E)-4-methoxy-phenylimino]-methyl}-1-p-tolyl-azetidin-2-one 383883-64-5 C19H20N2O3
    (3R,4S)-3-Methoxy-4-{[(E)-4-methoxy-phenylimino]-methyl}-1-p-tolyl-azetidin-2-one
    —— (S)-2-((2S,3R)-3-Methoxy-4-oxo-1-p-tolyl-azetidin-2-yl)-1-(4-methoxy-phenyl)-2,3-dihydro-1H-pyridin-4-one 383883-65-6 C23H24N2O4
    (S)-2-((2S,3R)-3-Methoxy-4-oxo-1-p-tolyl-azetidin-2-yl)-1-(4-methoxy-phenyl)-2,3-dihydro-1H-pyridin-4-one
    —— (R)-1-Allyl-2-[(2S,3R)-3-allyloxy-1-(4-methoxy-phenyl)-4-oxo-azetidin-2-yl]-piperidin-4-one 380415-20-3 C21H26N2O4
    (R)-1-Allyl-2-[(2S,3R)-3-allyloxy-1-(4-methoxy-phenyl)-4-oxo-azetidin-2-yl]-piperidin-4-one
    —— 4-acetoxy-3-(1-t-butyl-dimethylsilyloxy)ethyl-2-azetidinone 80951-41-3 C13H25NO4Si
    4-acetoxy-3-(1-t-butyl-dimethylsilyloxy)ethyl-2-azetidinone
    —— (4R)-1-[[benzyl-[[(2S)-oxolan-2-yl]methyl]amino]methyl]-4-phenylazetidin-2-one —— C22H26N2O2
    (4R)-1-[[benzyl-[[(2S)-oxolan-2-yl]methyl]amino]methyl]-4-phenylazetidin-2-one
    —— (6R,7R)-7-[[(2Z)-2-(5-amino-1,2,4-thiadiazol-3-yl)-2-ethoxyiminoacetyl]amino]-3-[[1-[3-(methylamino)propyl]imidazo[4,5-b]pyridin-4-ium-4-yl]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate;sulfuric acid;hydrate —— C24H32N10O10S3
    (6R,7R)-7-[[(2Z)-2-(5-amino-1,2,4-thiadiazol-3-yl)-2-ethoxyiminoacetyl]amino]-3-[[1-[3-(methylamino)propyl]imidazo[4,5-b]pyridin-4-ium-4-yl]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate;sulfuric acid;hydrate
    —— 7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-(1-benzhydryloxy-2-methyl-1-oxopropan-2-yl)oxyiminoacetyl]amino]-8-oxo-3-(pyridin-1-ium-1-ylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate —— C35H32N6O7S2
    7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-(1-benzhydryloxy-2-methyl-1-oxopropan-2-yl)oxyiminoacetyl]amino]-8-oxo-3-(pyridin-1-ium-1-ylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
    —— (7R)-7-[[(2E)-2-(2-amino-1,3-thiazol-4-yl)-2-hydroxyiminoacetyl]amino]-8-oxo-3-(2H-tetrazol-5-ylsulfanylmethylsulfanyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C14H13N9O5S4
    (7R)-7-[[(2E)-2-(2-amino-1,3-thiazol-4-yl)-2-hydroxyiminoacetyl]amino]-8-oxo-3-(2H-tetrazol-5-ylsulfanylmethylsulfanyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— 7-[[(2Z)-2-(5-amino-1,2,4-thiadiazol-3-yl)-2-(fluoromethoxyimino)acetyl]amino]-3-[(E)-[methyl(piperazine-1-carboximidoyl)hydrazinylidene]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C19H24FN11O5S2
    7-[[(2Z)-2-(5-amino-1,2,4-thiadiazol-3-yl)-2-(fluoromethoxyimino)acetyl]amino]-3-[(E)-[methyl(piperazine-1-carboximidoyl)hydrazinylidene]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (7R)-3-[[4-[4-[(5S)-5-(acetamidomethyl)-2-oxo-1,3-oxazolidin-3-yl]-2-fluorophenyl]pyridin-1-ium-1-yl]methyl]-7-[(2-hydroxyacetyl)amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate —— C27H26FN5O8S
    (7R)-3-[[4-[4-[(5S)-5-(acetamidomethyl)-2-oxo-1,3-oxazolidin-3-yl]-2-fluorophenyl]pyridin-1-ium-1-yl]methyl]-7-[(2-hydroxyacetyl)amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
    —— 3-[[(E)-[1-(2-amino-1,3-thiazol-4-yl)-2-[[(2R,3S)-2-methyl-4-oxo-1-sulfoazetidin-3-yl]amino]-2-oxoethylidene]amino]oxymethyl]-6,7-dioxo-1,4-dihydroquinoxaline-2-carboxylic acid —— C19H17N7O10S2
    3-[[(E)-[1-(2-amino-1,3-thiazol-4-yl)-2-[[(2R,3S)-2-methyl-4-oxo-1-sulfoazetidin-3-yl]amino]-2-oxoethylidene]amino]oxymethyl]-6,7-dioxo-1,4-dihydroquinoxaline-2-carboxylic acid
    —— (6R,7R)-7-{[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-(hydroxyimino)acetyl]amino}-3-{(E)-2-[(6-amino-2-hydroxy-4-pyrimidinyl)sulfanyl]ethenyl}-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C18H15ClN8O6S3
    (6R,7R)-7-{[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-(hydroxyimino)acetyl]amino}-3-{(E)-2-[(6-amino-2-hydroxy-4-pyrimidinyl)sulfanyl]ethenyl}-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (7R)-3-[[4-[4-[(5S)-5-(acetamidomethyl)-2-oxo-1,3-oxazolidin-3-yl]-2-fluorophenyl]pyridin-1-ium-1-yl]methyl]-7-[(2-aminoacetyl)amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate —— C27H27FN6O7S
    (7R)-3-[[4-[4-[(5S)-5-(acetamidomethyl)-2-oxo-1,3-oxazolidin-3-yl]-2-fluorophenyl]pyridin-1-ium-1-yl]methyl]-7-[(2-aminoacetyl)amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
    —— (6R,7R)-7-[[(2E)-2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-hydroxyiminoacetyl]amino]-3-[4-(2-aminoethylsulfanyl)pyridin-3-yl]sulfanyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C19H18ClN7O5S4
    (6R,7R)-7-[[(2E)-2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-hydroxyiminoacetyl]amino]-3-[4-(2-aminoethylsulfanyl)pyridin-3-yl]sulfanyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (6R,7R)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-3-(6,7-dihydro-5H-cyclopenta[b]pyridin-1-ium-1-ylmethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate;hydroiodide —— C22H23IN6O5S2
    (6R,7R)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-3-(6,7-dihydro-5H-cyclopenta[b]pyridin-1-ium-1-ylmethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate;hydroiodide
    —— (6R,7R)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-3-[(4-carbamoyl-6,7-dihydro-5H-cyclopenta[b]pyridin-1-ium-1-yl)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid;hydrogen sulfate —— C23H25N7O10S3
    (6R,7R)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-3-[(4-carbamoyl-6,7-dihydro-5H-cyclopenta[b]pyridin-1-ium-1-yl)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid;hydrogen sulfate
    —— (4S,5R,6S)-3-[6-(3-aminopropyl)-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;hydrochloride —— C19H24N4O4S2*ClH
    (4S,5R,6S)-3-[6-(3-aminopropyl)-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;hydrochloride
    —— (4R)-6-[(1R)-1-hydroxyethyl]-3-[(5S)-5-[(R)-hydroxy-[(3R)-pyrrolidin-3-yl]methyl]pyrrolidin-3-yl]sulfanyl-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid —— C19H29N3O5S
    (4R)-6-[(1R)-1-hydroxyethyl]-3-[(5S)-5-[(R)-hydroxy-[(3R)-pyrrolidin-3-yl]methyl]pyrrolidin-3-yl]sulfanyl-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid
    —— SM-17466 —— C20H21N4O5S2+
    SM-17466
    —— Benzyl 2-(3,3-dibromo-2-nitrooxy-4-oxoazetidin-1-yl)-3-methylbut-2-enoate —— C15H14Br2N2O6
    Benzyl 2-(3,3-dibromo-2-nitrooxy-4-oxoazetidin-1-yl)-3-methylbut-2-enoate
    —— (4R,5S,6S)-6-[(1R)-1-hydroxyethyl]-4-methyl-3-[(3S,5R)-5-[2-(methylamino)ethyl]pyrrolidin-3-yl]sulfanyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid —— C17H27N3O4S
    (4R,5S,6S)-6-[(1R)-1-hydroxyethyl]-4-methyl-3-[(3S,5R)-5-[2-(methylamino)ethyl]pyrrolidin-3-yl]sulfanyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid
    —— (4R,5S,6S)-3-(2-Cyanoethylsulfanyl)-4-[2-(diaminomethylideneamino)ethyl]-6-[(1R)-1-hydroxyethyl]-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid —— C15H21N5O4S
    (4R,5S,6S)-3-(2-Cyanoethylsulfanyl)-4-[2-(diaminomethylideneamino)ethyl]-6-[(1R)-1-hydroxyethyl]-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid
    —— 4-[(2R,3R)-3-(2,4-dimethylphenoxy)-4-oxo-1-[[(2R)-oxolan-2-yl]methyl]azetidin-2-yl]benzonitrile —— C23H24N2O3
    4-[(2R,3R)-3-(2,4-dimethylphenoxy)-4-oxo-1-[[(2R)-oxolan-2-yl]methyl]azetidin-2-yl]benzonitrile
    —— 4-[(2S,3R)-3-(2,4-dimethylphenoxy)-4-oxo-1-[[(2R)-oxolan-2-yl]methyl]azetidin-2-yl]benzonitrile —— C23H24N2O3
    4-[(2S,3R)-3-(2,4-dimethylphenoxy)-4-oxo-1-[[(2R)-oxolan-2-yl]methyl]azetidin-2-yl]benzonitrile
    —— (3S,4R)-4-(2-bromophenyl)-3-(3-nitrophenoxy)-1-[[(2R)-oxolan-2-yl]methyl]azetidin-2-one —— C20H19BrN2O5
    (3S,4R)-4-(2-bromophenyl)-3-(3-nitrophenoxy)-1-[[(2R)-oxolan-2-yl]methyl]azetidin-2-one
    —— (3R,4S)-4-(2,3-dimethoxyphenyl)-1-[[(2R)-oxolan-2-yl]methyl]-3-[4-(trifluoromethyl)phenoxy]azetidin-2-one —— C23H24F3NO5
    (3R,4S)-4-(2,3-dimethoxyphenyl)-1-[[(2R)-oxolan-2-yl]methyl]-3-[4-(trifluoromethyl)phenoxy]azetidin-2-one
    —— (3R,4S)-3-(3-chloro-4-fluorophenoxy)-4-(3,5-dimethoxyphenyl)-1-[[(2R)-oxolan-2-yl]methyl]azetidin-2-one —— C22H23ClFNO5
    (3R,4S)-3-(3-chloro-4-fluorophenoxy)-4-(3,5-dimethoxyphenyl)-1-[[(2R)-oxolan-2-yl]methyl]azetidin-2-one
    —— (3S,4S)-4-(2-bromophenyl)-3-(3-nitrophenoxy)-1-[[(2R)-oxolan-2-yl]methyl]azetidin-2-one —— C20H19BrN2O5
    (3S,4S)-4-(2-bromophenyl)-3-(3-nitrophenoxy)-1-[[(2R)-oxolan-2-yl]methyl]azetidin-2-one
    —— 3-[(2R,3R)-2-(3-methoxyphenyl)-4-oxo-1-[[(2R)-oxolan-2-yl]methyl]azetidin-3-yl]oxybenzonitrile —— C22H22N2O4
    3-[(2R,3R)-2-(3-methoxyphenyl)-4-oxo-1-[[(2R)-oxolan-2-yl]methyl]azetidin-3-yl]oxybenzonitrile
    —— 3-[(2S,3R)-2-(3-methoxyphenyl)-4-oxo-1-[[(2R)-oxolan-2-yl]methyl]azetidin-3-yl]oxybenzonitrile —— C22H22N2O4
    3-[(2S,3R)-2-(3-methoxyphenyl)-4-oxo-1-[[(2R)-oxolan-2-yl]methyl]azetidin-3-yl]oxybenzonitrile
    —— (3R,4R)-3-(3-chloro-4-fluorophenoxy)-4-(3,5-dimethoxyphenyl)-1-[[(2R)-oxolan-2-yl]methyl]azetidin-2-one —— C22H23ClFNO5
    (3R,4R)-3-(3-chloro-4-fluorophenoxy)-4-(3,5-dimethoxyphenyl)-1-[[(2R)-oxolan-2-yl]methyl]azetidin-2-one
    —— (3R,4S)-3-(3-bromophenoxy)-4-(2,4-dimethoxyphenyl)-1-[[(2R)-oxolan-2-yl]methyl]azetidin-2-one —— C22H24BrNO5
    (3R,4S)-3-(3-bromophenoxy)-4-(2,4-dimethoxyphenyl)-1-[[(2R)-oxolan-2-yl]methyl]azetidin-2-one
    —— (3R,4R)-3-(3-bromophenoxy)-4-(2,4-dimethoxyphenyl)-1-[[(2R)-oxolan-2-yl]methyl]azetidin-2-one —— C22H24BrNO5
    (3R,4R)-3-(3-bromophenoxy)-4-(2,4-dimethoxyphenyl)-1-[[(2R)-oxolan-2-yl]methyl]azetidin-2-one
    —— (2S)-N-cyclohexyl-1-(4-methoxyphenyl)-4-oxo-2-[(Z)-2-phenylethenyl]azetidine-2-carboxamide —— C25H28N2O3
    (2S)-N-cyclohexyl-1-(4-methoxyphenyl)-4-oxo-2-[(Z)-2-phenylethenyl]azetidine-2-carboxamide
    —— 7-(3-amino-2-oxoazetidinyl)-4-methyl-2H-chromen-2-one —— C13H12N2O3
    7-(3-amino-2-oxoazetidinyl)-4-methyl-2H-chromen-2-one
    —— (3R,4S)-4-(2-chlorophenyl)-3-methoxy-1-methylsulfanylazetidin-2-one —— C11H12ClNO2S
    (3R,4S)-4-(2-chlorophenyl)-3-methoxy-1-methylsulfanylazetidin-2-one
    —— (6R,7S)-7-[[(2R,3E)-2-(2-amino-1,3-thiazol-4-yl)-3-methoxyiminopropanoyl]amino]-3-(6,7-dihydro-5H-cyclopenta[b]pyridin-1-ium-1-ylmethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C23H25N6O5S2+
    (6R,7S)-7-[[(2R,3E)-2-(2-amino-1,3-thiazol-4-yl)-3-methoxyiminopropanoyl]amino]-3-(6,7-dihydro-5H-cyclopenta[b]pyridin-1-ium-1-ylmethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (6R,7S)-7-[[(2R,3Z)-2-(2-amino-1,3-thiazol-4-yl)-3-methoxyiminopropanoyl]amino]-3-(6,7-dihydro-5H-cyclopenta[b]pyridin-1-ium-1-ylmethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C23H25N6O5S2+
    (6R,7S)-7-[[(2R,3Z)-2-(2-amino-1,3-thiazol-4-yl)-3-methoxyiminopropanoyl]amino]-3-(6,7-dihydro-5H-cyclopenta[b]pyridin-1-ium-1-ylmethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (6R,7S)-7-[[(2S,3Z)-2-(2-amino-1,3-thiazol-4-yl)-3-methoxyiminopropanoyl]amino]-3-(6,7-dihydro-5H-cyclopenta[b]pyridin-1-ium-1-ylmethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C23H25N6O5S2+
    (6R,7S)-7-[[(2S,3Z)-2-(2-amino-1,3-thiazol-4-yl)-3-methoxyiminopropanoyl]amino]-3-(6,7-dihydro-5H-cyclopenta[b]pyridin-1-ium-1-ylmethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— [(1R)-1-propan-2-yloxycarbonyloxyethyl] (6R,7R)-7-[[(2Z)-2-methoxyimino-2-(2-methyl-1,3-thiazol-4-yl)acetyl]amino]-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate —— C22H28N4O9S2
    [(1R)-1-propan-2-yloxycarbonyloxyethyl] (6R,7R)-7-[[(2Z)-2-methoxyimino-2-(2-methyl-1,3-thiazol-4-yl)acetyl]amino]-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
    —— [(1R)-1-propan-2-yloxycarbonyloxyethyl] (6R,7S)-7-[[(2Z)-2-methoxyimino-2-(2-methyl-1,3-thiazol-4-yl)acetyl]amino]-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate —— C22H28N4O9S2
    [(1R)-1-propan-2-yloxycarbonyloxyethyl] (6R,7S)-7-[[(2Z)-2-methoxyimino-2-(2-methyl-1,3-thiazol-4-yl)acetyl]amino]-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
    —— benzhydryl (6R,7R)-8-oxo-7-[(2-phenoxyacetyl)amino]-3-prop-2-enyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate —— C31H28N2O5S
    benzhydryl (6R,7R)-8-oxo-7-[(2-phenoxyacetyl)amino]-3-prop-2-enyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
    —— 3-[(3-aminoimidazo[1,2-b]pyridazin-1-ium-1-yl)methyl]-7-[[(2Z)-2-(5-amino-1,2,4-thiadiazol-3-yl)-2-cyclopentyloxyiminoacetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C23H25N10O5S2+
    3-[(3-aminoimidazo[1,2-b]pyridazin-1-ium-1-yl)methyl]-7-[[(2Z)-2-(5-amino-1,2,4-thiadiazol-3-yl)-2-cyclopentyloxyiminoacetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (6R,7R)-7-[[2-[(5-ethoxycarbonyl-4-methyl-1,3-thiazol-2-yl)sulfanyl]acetyl]amino]-8-oxo-3-[(E)-3-pyridin-1-ium-1-ylprop-1-enyl]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C24H25N4O6S3+
    (6R,7R)-7-[[2-[(5-ethoxycarbonyl-4-methyl-1,3-thiazol-2-yl)sulfanyl]acetyl]amino]-8-oxo-3-[(E)-3-pyridin-1-ium-1-ylprop-1-enyl]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (6R,7R)-3-[2-(2-aminoethylsulfanylmethyl)pyridin-3-yl]sulfanyl-7-[[(2Z)-2-(5-amino-1,2,4-thiadiazol-3-ylidene)-2-nitrosoacetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C19H20N8O5S4
    (6R,7R)-3-[2-(2-aminoethylsulfanylmethyl)pyridin-3-yl]sulfanyl-7-[[(2Z)-2-(5-amino-1,2,4-thiadiazol-3-ylidene)-2-nitrosoacetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— 7-[(Z)-2-(2-amino-thiazol-4-yl)-2-hydroxyimino-acetylamino]-3-(4,6-diamino-pyrimidin-2-ylsulfanylmethylsulfanyl)-8-oxo-5-thia-1-aza-bicyclo[4,2,0]oct-2-ene-2-carboxylic acid —— C17H17N9O5S4
    7-[(Z)-2-(2-amino-thiazol-4-yl)-2-hydroxyimino-acetylamino]-3-(4,6-diamino-pyrimidin-2-ylsulfanylmethylsulfanyl)-8-oxo-5-thia-1-aza-bicyclo[4,2,0]oct-2-ene-2-carboxylic acid