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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
    —— 7-[2-Oxo-7-(3-oxo-4-phenylbutylidene)azepan-1-yl]hept-5-ynoic acid —— C23H27NO4
    7-[2-Oxo-7-(3-oxo-4-phenylbutylidene)azepan-1-yl]hept-5-ynoic acid
    —— (4-nitrophenyl)methyl (5R,6S)-6-[(1R)-1-hydroxyethyl]-3-[7-(2-hydroxyethylsulfanyl)imidazo[5,1-b][1,3]thiazol-2-yl]-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate —— C23H22N4O7S2
    (4-nitrophenyl)methyl (5R,6S)-6-[(1R)-1-hydroxyethyl]-3-[7-(2-hydroxyethylsulfanyl)imidazo[5,1-b][1,3]thiazol-2-yl]-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate
    —— 7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-[(1S)-1-carboxyethoxy]iminoacetyl]amino]-3-[(2-amino-[1,3]oxazolo[5,4-c]pyridin-5-ium-5-yl)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C22H20ClN8O8S2+
    7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-[(1S)-1-carboxyethoxy]iminoacetyl]amino]-3-[(2-amino-[1,3]oxazolo[5,4-c]pyridin-5-ium-5-yl)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (2-methyl-1-propan-2-yloxycarbonyloxypropyl) (4S,5R,6S)-6-[(1R)-1-hydroxyethyl]-4-methyl-3-(7-methylsulfanylimidazo[5,1-b][1,3]thiazol-2-yl)-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate —— C24H31N3O7S2
    (2-methyl-1-propan-2-yloxycarbonyloxypropyl) (4S,5R,6S)-6-[(1R)-1-hydroxyethyl]-4-methyl-3-(7-methylsulfanylimidazo[5,1-b][1,3]thiazol-2-yl)-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate
    —— (3R,4R)-3-Hydroxy-4-phenylazetidin-2-one —— C9H9NO2
    (3R,4R)-3-Hydroxy-4-phenylazetidin-2-one
    —— (6R,7R)-7-[[2-(1,3-benzothiazol-2-ylsulfanyl)acetyl]amino]-8-oxo-3-(3-pyridin-3-ylprop-1-enyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C24H20N4O4S3
    (6R,7R)-7-[[2-(1,3-benzothiazol-2-ylsulfanyl)acetyl]amino]-8-oxo-3-(3-pyridin-3-ylprop-1-enyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— 7-[[2-(5-Amino-1,2,4-thiadiazol-3-yl)-2-nitrosoacetyl]amino]-3-(1,3-benzothiazol-2-ylsulfanyl)-8-oxo-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C19H15N7O5S3
    7-[[2-(5-Amino-1,2,4-thiadiazol-3-yl)-2-nitrosoacetyl]amino]-3-(1,3-benzothiazol-2-ylsulfanyl)-8-oxo-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— 4-Nitrobenzyl (1s,5r,6s)-6-((1r)-1-hydroxyethyl)-1-methyl-2-[7-[3-(4-nitrobenzyloxycarbonyl)aminopropyl]thioimidazo[5,1-b]thiazol-2-yl]-1-carbapen-2-em-3-carboxylate —— C33H32N6O10S2
    4-Nitrobenzyl (1s,5r,6s)-6-((1r)-1-hydroxyethyl)-1-methyl-2-[7-[3-(4-nitrobenzyloxycarbonyl)aminopropyl]thioimidazo[5,1-b]thiazol-2-yl]-1-carbapen-2-em-3-carboxylate
    —— (4-nitrophenyl)methyl (5R,6S)-6-(2-hydroxyethyl)-3-(3-methyl-7-methylsulfanylimidazo[5,1-b][1,3]thiazol-2-yl)-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate —— C23H22N4O6S2
    (4-nitrophenyl)methyl (5R,6S)-6-(2-hydroxyethyl)-3-(3-methyl-7-methylsulfanylimidazo[5,1-b][1,3]thiazol-2-yl)-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate
    —— [6(R)-6α,7β(Z)]-7-[[(5-Amino-1,2,4-thiadiazol-3-yl)-(fluormethoxyimino)acetyl]amino]-3-formyl-3-cephem-4-carboxylic acid-1-(isopropoxycarbonyloxy)ethylester —— C19H21FN6O9S2
    [6(R)-6α,7β(Z)]-7-[[(5-Amino-1,2,4-thiadiazol-3-yl)-(fluormethoxyimino)acetyl]amino]-3-formyl-3-cephem-4-carboxylic acid-1-(isopropoxycarbonyloxy)ethylester
    —— (5R,6S)-4-[2-(2,5-dimethylphenoxy)carbonyloxyethyl]-6-[(1R)-1-hydroxyethyl]-4-methyl-3-(7-methylsulfanylimidazo[5,1-b][1,3]thiazol-2-yl)-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid —— C27H29N3O7S2
    (5R,6S)-4-[2-(2,5-dimethylphenoxy)carbonyloxyethyl]-6-[(1R)-1-hydroxyethyl]-4-methyl-3-(7-methylsulfanylimidazo[5,1-b][1,3]thiazol-2-yl)-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid
    —— (4R,5S,6S)-3-[2-[4-(cyanomethyl)-1,3-thiazol-2-yl]ethenylsulfanyl]-6-[(1R)-1-hydroxyethyl]-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid —— C17H17N3O4S2
    (4R,5S,6S)-3-[2-[4-(cyanomethyl)-1,3-thiazol-2-yl]ethenylsulfanyl]-6-[(1R)-1-hydroxyethyl]-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid
    —— (6S,7R)-3-[[4-[[2-amino-3-(2-aminoethylsulfanyl)propyl]amino]-1,3-thiazol-5-yl]sulfanyl]-7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-nitrosoacetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C20H24ClN9O5S5
    (6S,7R)-3-[[4-[[2-amino-3-(2-aminoethylsulfanyl)propyl]amino]-1,3-thiazol-5-yl]sulfanyl]-7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-nitrosoacetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— 2-[4-[1-(2-Fluorophenyl)-3-(3-hydroxy-3-phenylpropyl)-4-oxoazetidin-2-yl]-2-hydroxyphenyl]benzenesulfonic acid —— C30H26FNO6S
    2-[4-[1-(2-Fluorophenyl)-3-(3-hydroxy-3-phenylpropyl)-4-oxoazetidin-2-yl]-2-hydroxyphenyl]benzenesulfonic acid
    —— (6S,7R)-3-[2-(2-aminoethylsulfanyl)pyrimidin-4-yl]sulfanyl-7-[[2-(6-aminopyridin-2-yl)-2-nitrosoacetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C20H20N8O5S3
    (6S,7R)-3-[2-(2-aminoethylsulfanyl)pyrimidin-4-yl]sulfanyl-7-[[2-(6-aminopyridin-2-yl)-2-nitrosoacetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— 1,3-Dimethyl-3,4,5,5a,6,7,8,8a-octahydrocyclopenta[b]azepin-2-one;ethane —— C13H25NO
    1,3-Dimethyl-3,4,5,5a,6,7,8,8a-octahydrocyclopenta[b]azepin-2-one;ethane
    —— (5S)-6-bromo-4-thia-1-azabicyclo[3.2.0]heptan-7-one —— C5H6BrNOS
    (5S)-6-bromo-4-thia-1-azabicyclo[3.2.0]heptan-7-one
    —— (7R)-1-hept-2-enyl-7-pent-1-enylazepan-2-one —— C18H31NO
    (7R)-1-hept-2-enyl-7-pent-1-enylazepan-2-one
    —— (6R,7R)-7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-[(1S)-1-carboxyethoxy]iminoacetyl]amino]-3-[(2-carbamoyl-1H-pyrrolo[3,2-c]pyridin-5-ium-5-yl)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C24H22ClN8O8S2+
    (6R,7R)-7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-[(1S)-1-carboxyethoxy]iminoacetyl]amino]-3-[(2-carbamoyl-1H-pyrrolo[3,2-c]pyridin-5-ium-5-yl)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (3R,4S)-1-(4-fluorophenyl)-3-[(3S)-3-(4-fluorophenyl)-3-hydroxypropyl]-4-[4-[4-[(2S,3R,4R,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]but-1-enyl]phenyl]azetidin-2-one —— C34H37F2NO7
    (3R,4S)-1-(4-fluorophenyl)-3-[(3S)-3-(4-fluorophenyl)-3-hydroxypropyl]-4-[4-[4-[(2S,3R,4R,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]but-1-enyl]phenyl]azetidin-2-one
    —— (6S)-7-[[2-(2-amino-1,3-thiazol-4-yl)-2-nitrosoacetyl]amino]-3-[(methanehydrazonoylhydrazinylidene)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C14H15N9O5S2
    (6S)-7-[[2-(2-amino-1,3-thiazol-4-yl)-2-nitrosoacetyl]amino]-3-[(methanehydrazonoylhydrazinylidene)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— Tert-butyl 8-methyl-9-oxo-4,8-diazatricyclo[8.5.0.02,6]pentadecane-4-carboxylate —— C19H32N2O3
    Tert-butyl 8-methyl-9-oxo-4,8-diazatricyclo[8.5.0.02,6]pentadecane-4-carboxylate
    —— 4-(2,5-Dihydroxypyrrol-1-yl)azepan-2-one —— C10H14N2O3
    4-(2,5-Dihydroxypyrrol-1-yl)azepan-2-one
    —— (2R)-1-[(2-methylpropan-2-yl)oxycarbonyl]-2-[(3S,4R)-2-oxo-4-phenylazetidin-3-yl]pyrrolidine-2-carboxylic acid —— C19H24N2O5
    (2R)-1-[(2-methylpropan-2-yl)oxycarbonyl]-2-[(3S,4R)-2-oxo-4-phenylazetidin-3-yl]pyrrolidine-2-carboxylic acid
    —— 2,3,4,7,8,9,10,10a-Octahydro-[1,3]thiazino[3,2-a]azepin-6-one —— C9H15NOS
    2,3,4,7,8,9,10,10a-Octahydro-[1,3]thiazino[3,2-a]azepin-6-one
    —— (4-nitrophenyl)methyl (4S,5R,6S)-3-[6-(6-azidohexyl)-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 —— C29H34N7O6S2+
    (4-nitrophenyl)methyl (4S,5R,6S)-3-[6-(6-azidohexyl)-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
    —— 3-[[1-(2-Amino-3-hydroxypropyl)imidazo[4,5-b]pyridin-4-ium-4-yl]methyl]-7-[[2-(5-amino-1,2,4-thiadiazol-3-yl)-2-methyliminoacetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate;hydrochloride —— C22H25ClN10O5S2
    3-[[1-(2-Amino-3-hydroxypropyl)imidazo[4,5-b]pyridin-4-ium-4-yl]methyl]-7-[[2-(5-amino-1,2,4-thiadiazol-3-yl)-2-methyliminoacetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate;hydrochloride
    —— 4-(3-Bromo-4-hydroxyphenyl)-1-(4-fluorophenyl)-3-[3-(4-fluorophenyl)-3-hydroxypropyl]azetidin-2-one —— C24H20BrF2NO3
    4-(3-Bromo-4-hydroxyphenyl)-1-(4-fluorophenyl)-3-[3-(4-fluorophenyl)-3-hydroxypropyl]azetidin-2-one
    —— (4R,5S,6S)-3-[2-(4,5-dicarbamoyl-1,3-thiazol-2-yl)ethenylsulfanyl]-6-[(1R)-1-hydroxyethyl]-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid —— C17H18N4O6S2
    (4R,5S,6S)-3-[2-(4,5-dicarbamoyl-1,3-thiazol-2-yl)ethenylsulfanyl]-6-[(1R)-1-hydroxyethyl]-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid
    —— 7-[[2-(2-Amino-5-chloro-1,3-thiazol-4-yl)-2-nitrosoacetyl]amino]-3-[(5-amino-1,3,4-thiadiazol-2-yl)sulfanylmethylsulfanyl]-8-oxo-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C16H15ClN8O5S4
    7-[[2-(2-Amino-5-chloro-1,3-thiazol-4-yl)-2-nitrosoacetyl]amino]-3-[(5-amino-1,3,4-thiadiazol-2-yl)sulfanylmethylsulfanyl]-8-oxo-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— 2,2-Dimethylpropanoyloxymethyl 7-[[2-[5-chloro-2-(methylidenephosphanylmethyl)-1,3-thiazol-4-yl]-2-methoxyiminoacetyl]amino]-8-oxo-3-(trifluoromethylsulfonyloxy)-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate —— C23H25ClF3N4O10PS2
    2,2-Dimethylpropanoyloxymethyl 7-[[2-[5-chloro-2-(methylidenephosphanylmethyl)-1,3-thiazol-4-yl]-2-methoxyiminoacetyl]amino]-8-oxo-3-(trifluoromethylsulfonyloxy)-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
    —— (6R,7R)-7-[[2-(5-amino-1,2,4-thiadiazol-3-yl)-2-nitrosoacetyl]amino]-8-oxo-3-[[2-oxo-1-[(3R)-1-[(2-oxo-5-propan-2-yl-1,3-dioxol-4-yl)methoxycarbonyl]pyrrolidin-3-yl]pyrrolidin-3-ylidene]methyl]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C28H30N8O11S2
    (6R,7R)-7-[[2-(5-amino-1,2,4-thiadiazol-3-yl)-2-nitrosoacetyl]amino]-8-oxo-3-[[2-oxo-1-[(3R)-1-[(2-oxo-5-propan-2-yl-1,3-dioxol-4-yl)methoxycarbonyl]pyrrolidin-3-yl]pyrrolidin-3-ylidene]methyl]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (4-nitrophenyl)methyl (4S,5R,6S)-6-[(1R)-1-hydroxyethyl]-4-methyl-3-(6-methyl-7-methylsulfinylimidazo[5,1-b][1,3]thiazol-4-ium-2-yl)-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate —— C24H25N4O7S2+
    (4-nitrophenyl)methyl (4S,5R,6S)-6-[(1R)-1-hydroxyethyl]-4-methyl-3-(6-methyl-7-methylsulfinylimidazo[5,1-b][1,3]thiazol-4-ium-2-yl)-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate
    —— (6S,7R)-7-[[2-(5-amino-1,2,4-thiadiazol-3-yl)-2-nitrosoacetyl]amino]-8-oxo-3-[2-[2-[[(2S)-pyrrolidine-2-carbonyl]amino]ethylsulfanylmethyl]pyridin-3-yl]sulfanyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C24H27N9O6S4
    (6S,7R)-7-[[2-(5-amino-1,2,4-thiadiazol-3-yl)-2-nitrosoacetyl]amino]-8-oxo-3-[2-[2-[[(2S)-pyrrolidine-2-carbonyl]amino]ethylsulfanylmethyl]pyridin-3-yl]sulfanyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— 1-cyclohexyloxycarbonyloxyethyl (4R,5S,6S)-3-[2-[4-(2-hydroxyethoxymethyl)-1,3-thiazol-5-yl]ethenylsulfanyl]-6-[(1R)-1-hydroxyethyl]-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate —— C27H36N2O9S2
    1-cyclohexyloxycarbonyloxyethyl (4R,5S,6S)-3-[2-[4-(2-hydroxyethoxymethyl)-1,3-thiazol-5-yl]ethenylsulfanyl]-6-[(1R)-1-hydroxyethyl]-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate
    —— 7-[[2-(2-Amino-5-chloro-1,3-thiazol-4-yl)-2-nitrosoacetyl]amino]-8-oxo-3-[4-(trifluoromethyl)thiadiazol-5-yl]sulfanyl-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C16H11ClF3N7O5S3
    7-[[2-(2-Amino-5-chloro-1,3-thiazol-4-yl)-2-nitrosoacetyl]amino]-8-oxo-3-[4-(trifluoromethyl)thiadiazol-5-yl]sulfanyl-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (3S,4S)-1-benzyl-3-[3-(4-fluorophenyl)propyl]-4-[4-[[(2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]methoxy]phenyl]azetidin-2-one —— C32H36FNO7
    (3S,4S)-1-benzyl-3-[3-(4-fluorophenyl)propyl]-4-[4-[[(2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]methoxy]phenyl]azetidin-2-one
    —— 7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-[(1S)-1-carboxyethoxy]iminoacetyl]amino]-3-[[1-(azetidin-3-yl)pyrrolo[3,2-b]pyridin-4-ium-4-yl]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C26H26ClN8O7S2+
    7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-[(1S)-1-carboxyethoxy]iminoacetyl]amino]-3-[[1-(azetidin-3-yl)pyrrolo[3,2-b]pyridin-4-ium-4-yl]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (3R,4R)-3-[[tert-butyl(dimethyl)silyl]oxymethyl]-4-[(2R)-1-(2-hydroxyphenyl)-1-oxopropan-2-yl]azetidin-2-one —— C19H29NO4Si
    (3R,4R)-3-[[tert-butyl(dimethyl)silyl]oxymethyl]-4-[(2R)-1-(2-hydroxyphenyl)-1-oxopropan-2-yl]azetidin-2-one
    —— ethane;(3R,4S)-3-[(3S)-3-hydroxy-3-phenylpropyl]-1-phenyl-4-[4-[[(2S,3R,4R,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]methyl]phenyl]azetidin-2-one —— C41H65NO7
    ethane;(3R,4S)-3-[(3S)-3-hydroxy-3-phenylpropyl]-1-phenyl-4-[4-[[(2S,3R,4R,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]methyl]phenyl]azetidin-2-one
    —— N'-[3-(3-imino-5,8-dioxoazocan-2-yl)propyl]-2-methylbutanimidamide —— C15H26N4O2
    N'-[3-(3-imino-5,8-dioxoazocan-2-yl)propyl]-2-methylbutanimidamide
    —— tert-butyl (3S)-2-oxo-3-phenyl-3-trimethylsilyloxyazetidine-1-carboxylate —— C17H25NO4Si
    tert-butyl (3S)-2-oxo-3-phenyl-3-trimethylsilyloxyazetidine-1-carboxylate
    —— (6R,7R)-7-[[2-(5-amino-1,2,4-thiadiazol-3-yl)-2-nitrosoacetyl]amino]-3-[[1-[(3R)-1-[(5-tert-butyl-2-oxo-1,3-dioxol-4-yl)methoxycarbonyl]pyrrolidin-3-yl]-2-oxopyrrolidin-3-ylidene]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C29H32N8O11S2
    (6R,7R)-7-[[2-(5-amino-1,2,4-thiadiazol-3-yl)-2-nitrosoacetyl]amino]-3-[[1-[(3R)-1-[(5-tert-butyl-2-oxo-1,3-dioxol-4-yl)methoxycarbonyl]pyrrolidin-3-yl]-2-oxopyrrolidin-3-ylidene]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— [(2R)-3-[(1S)-1-formyloxyethyl]-2-methylsulfanyl-4-oxoazetidin-1-yl] 3-(4-nitrophenyl)propanoate —— C16H18N2O7S
    [(2R)-3-[(1S)-1-formyloxyethyl]-2-methylsulfanyl-4-oxoazetidin-1-yl] 3-(4-nitrophenyl)propanoate
    —— 3-[[4-(2-Aminoethylsulfanylmethyl)-2-methyl-1,3-thiazol-5-yl]sulfanyl]-7-[[2-(6-aminopyridin-2-yl)-2-nitrosoacetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C21H23N7O5S4
    3-[[4-(2-Aminoethylsulfanylmethyl)-2-methyl-1,3-thiazol-5-yl]sulfanyl]-7-[[2-(6-aminopyridin-2-yl)-2-nitrosoacetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— 1-cyclohexyloxycarbonyloxypropyl (4S,5R,6S)-6-[(1R)-1-hydroxyethyl]-4-methyl-3-(7-methylsulfanylimidazo[5,1-b][1,3]thiazol-2-yl)-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate —— C26H33N3O7S2
    1-cyclohexyloxycarbonyloxypropyl (4S,5R,6S)-6-[(1R)-1-hydroxyethyl]-4-methyl-3-(7-methylsulfanylimidazo[5,1-b][1,3]thiazol-2-yl)-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate
    —— (7S)-7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-nitrosoacetyl]amino]-8-oxo-3-(1,3,4-thiadiazol-2-ylsulfanyl)-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C15H12ClN7O5S3
    (7S)-7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-nitrosoacetyl]amino]-8-oxo-3-(1,3,4-thiadiazol-2-ylsulfanyl)-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— 2-[(2S,3R)-3-[[2-[bis[(2-methylpropan-2-yl)oxycarbonyl]amino]pyridin-4-yl]methyl]-4-oxoazetidin-2-yl]-2-hydroxyethenediazonium —— C21H28N5O6+
    2-[(2S,3R)-3-[[2-[bis[(2-methylpropan-2-yl)oxycarbonyl]amino]pyridin-4-yl]methyl]-4-oxoazetidin-2-yl]-2-hydroxyethenediazonium
    —— (6R,7R)-7-[[2-(2-amino-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-8-oxo-3-(1-pyrrolidin-1-ylethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C19H24N6O5S2
    (6R,7R)-7-[[2-(2-amino-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-8-oxo-3-(1-pyrrolidin-1-ylethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (6R,7R)-7-[[2-(2-amino-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-8-oxo-3-(1-pyrrolidin-1-ium-1-ylethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C19H25N6O5S2+
    (6R,7R)-7-[[2-(2-amino-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-8-oxo-3-(1-pyrrolidin-1-ium-1-ylethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid