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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
    —— 3-[(acetyloxy)methyl]-7-{[3-(4-chloro-3,5-dimethyl-1H-pyrazol-1-yl)propanoyl]amino}-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C18H21ClN4O6S
    3-[(acetyloxy)methyl]-7-{[3-(4-chloro-3,5-dimethyl-1H-pyrazol-1-yl)propanoyl]amino}-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (6R,7R)-7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-[(1S)-1-carboxyethoxy]iminoacetyl]amino]-3-[[1-[(2S)-2-aminopropyl]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 —— C26H28ClN8O7S2+
    (6R,7R)-7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-[(1S)-1-carboxyethoxy]iminoacetyl]amino]-3-[[1-[(2S)-2-aminopropyl]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
    —— 4-Benzyl-3-[2-[2-(3-methoxyphenyl)ethenyl]-1-(2-methylidenephosphanylethyl)-4-oxoazetidin-3-yl]-1,3-oxazolidin-2-one —— C25H27N2O4P
    4-Benzyl-3-[2-[2-(3-methoxyphenyl)ethenyl]-1-(2-methylidenephosphanylethyl)-4-oxoazetidin-3-yl]-1,3-oxazolidin-2-one
    —— (6S)-3-[[3-chloro-2-(2,4-dichlorophenoxy)phenoxy]methyl]-8-oxo-7-[(2-thiophen-2-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C26H19Cl3N2O6S2
    (6S)-3-[[3-chloro-2-(2,4-dichlorophenoxy)phenoxy]methyl]-8-oxo-7-[(2-thiophen-2-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (5R)-6-[(7-benzyl-6,8-dihydro-5H-imidazo[1,2-a]pyrazin-2-yl)methylidene]-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid —— C21H20N4O3
    (5R)-6-[(7-benzyl-6,8-dihydro-5H-imidazo[1,2-a]pyrazin-2-yl)methylidene]-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid
    —— (4S,5R,6R)-3-[3-(1,3-benzothiazol-2-ylsulfanyl)prop-1-ynyl]-2,4-dimethyl-6-[(1R)-1-phosphanylethyl]-1-azabicyclo[3.2.0]hept-2-en-7-one;ethane —— C22H27N2OPS2
    (4S,5R,6R)-3-[3-(1,3-benzothiazol-2-ylsulfanyl)prop-1-ynyl]-2,4-dimethyl-6-[(1R)-1-phosphanylethyl]-1-azabicyclo[3.2.0]hept-2-en-7-one;ethane
    —— (3-oxo-1H-2-benzofuran-1-yl) (5S,6S)-3-[7-[3-(dimethylamino)-3-oxopropanoyl]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 —— C28H26N4O8S
    (3-oxo-1H-2-benzofuran-1-yl) (5S,6S)-3-[7-[3-(dimethylamino)-3-oxopropanoyl]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
    —— (3S,4S,6R)-6-[(1R)-1-(4-fluorophenyl)-2-[(2R,3R)-2-[2-hydroxy-4-(4-phosphonophenyl)phenyl]-4-oxo-1-phenylazetidin-3-yl]oxyethoxy]-3,4,5-trihydroxyoxane-2-carboxylic acid —— C35H33FNO13P
    (3S,4S,6R)-6-[(1R)-1-(4-fluorophenyl)-2-[(2R,3R)-2-[2-hydroxy-4-(4-phosphonophenyl)phenyl]-4-oxo-1-phenylazetidin-3-yl]oxyethoxy]-3,4,5-trihydroxyoxane-2-carboxylic acid
    —— 1-cyclohexyloxycarbonyloxyethyl (4R,5S,6S)-6-[(1R)-1-hydroxyethyl]-3-[2-[4-(hydroxymethyl)-1,3-thiazol-5-yl]ethenylsulfanyl]-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate —— C25H32N2O8S2
    1-cyclohexyloxycarbonyloxyethyl (4R,5S,6S)-6-[(1R)-1-hydroxyethyl]-3-[2-[4-(hydroxymethyl)-1,3-thiazol-5-yl]ethenylsulfanyl]-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate
    —— 6-(1-Hydroxyethyl)-4-methyl-3-[5-(methylaminomethyl)pyrrolidin-3-yl]sulfanyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid —— C16H25N3O4S
    6-(1-Hydroxyethyl)-4-methyl-3-[5-(methylaminomethyl)pyrrolidin-3-yl]sulfanyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid
    —— ethyl 2-[(3S)-3-[(1R)-1-hydroxyethyl]-4-oxoazetidin-2-ylidene]propanoate —— C10H15NO4
    ethyl 2-[(3S)-3-[(1R)-1-hydroxyethyl]-4-oxoazetidin-2-ylidene]propanoate
    —— (7R)-7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-nitrosoacetyl]amino]-3-(1,3,4-oxadiazol-2-ylsulfanyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C14H10ClN7O6S3
    (7R)-7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-nitrosoacetyl]amino]-3-(1,3,4-oxadiazol-2-ylsulfanyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (2S)-4-[(1-benzylpiperidin-4-yl)amino]-4-oxo-2-[(3S,4R)-2-oxo-4-[(4S)-2-oxo-4-phenyl-1,3-oxazolidin-3-yl]-3-(2-phenylethyl)azetidin-1-yl]butanoic acid —— C36H40N4O6
    (2S)-4-[(1-benzylpiperidin-4-yl)amino]-4-oxo-2-[(3S,4R)-2-oxo-4-[(4S)-2-oxo-4-phenyl-1,3-oxazolidin-3-yl]-3-(2-phenylethyl)azetidin-1-yl]butanoic acid
    —— 2-(2-methyl-1H-indol-3-yl)-N,1-bis(4-methylphenyl)-4-oxoazetidine-2-carboxamide —— C27H25N3O2
    2-(2-methyl-1H-indol-3-yl)-N,1-bis(4-methylphenyl)-4-oxoazetidine-2-carboxamide
    —— 1-[(3S)-3-(4-fluorophenyl)-3-hydroxypropyl]azetidin-2-one —— C12H14FNO2
    1-[(3S)-3-(4-fluorophenyl)-3-hydroxypropyl]azetidin-2-one
    —— (6S,7R)-7-[[2-[[(2-chloroacetyl)amino]-(1,3-thiazol-4-yl)methoxy]iminoacetyl]amino]-3-(chloromethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C16H15Cl2N5O6S2
    (6S,7R)-7-[[2-[[(2-chloroacetyl)amino]-(1,3-thiazol-4-yl)methoxy]iminoacetyl]amino]-3-(chloromethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (4S,5R,6R)-2,4-dimethyl-3-[(4-methyl-1,1-dioxo-1lambda6,2,3-benzothiadiazin-2-yl)methyl]-6-propan-2-yl-1-azabicyclo[3.2.0]hept-2-en-7-one;ethane —— C22H31N3O3S
    (4S,5R,6R)-2,4-dimethyl-3-[(4-methyl-1,1-dioxo-1lambda6,2,3-benzothiadiazin-2-yl)methyl]-6-propan-2-yl-1-azabicyclo[3.2.0]hept-2-en-7-one;ethane
    —— (6S,7R)-7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-[[4-(aminomethyl)phenyl]methoxyimino]acetyl]amino]-8-oxo-3-(pyridin-1-ium-1-ylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C26H25ClN7O5S2+
    (6S,7R)-7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-[[4-(aminomethyl)phenyl]methoxyimino]acetyl]amino]-8-oxo-3-(pyridin-1-ium-1-ylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (4-nitrophenyl)methyl (4S,5R,6S)-6-[(1R)-1-hydroxyethyl]-3-[6-[1-methoxy-2-(methylamino)-2-oxoethyl]-7-methylsulfanylimidazo[5,1-b][1,3]thiazol-6-ium-2-yl]-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate —— C27H30N5O8S2+
    (4-nitrophenyl)methyl (4S,5R,6S)-6-[(1R)-1-hydroxyethyl]-3-[6-[1-methoxy-2-(methylamino)-2-oxoethyl]-7-methylsulfanylimidazo[5,1-b][1,3]thiazol-6-ium-2-yl]-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate
    —— Bis[3-[4-[3-[3-(4-fluorophenyl)-3-hydroxypropyl]-4-oxo-1-phenylazetidin-2-yl]-3-hydroxyphenyl]phenoxy]-oxophosphanium —— C60H50F2N2O9P+
    Bis[3-[4-[3-[3-(4-fluorophenyl)-3-hydroxypropyl]-4-oxo-1-phenylazetidin-2-yl]-3-hydroxyphenyl]phenoxy]-oxophosphanium
    —— 4-(3,4-Dimethoxyphenyl)-1-(4-fluorobenzyl)-3-phenoxyazetidin-2-one —— C24H22FNO4
    4-(3,4-Dimethoxyphenyl)-1-(4-fluorobenzyl)-3-phenoxyazetidin-2-one
    —— 2-[4-[1-(4-Fluorophenyl)-3-[3-(4-fluorophenyl)-3-hydroxypropyl]-4-oxoazetidin-2-yl]phenyl]-4-methoxybenzaldehyde —— C32H27F2NO4
    2-[4-[1-(4-Fluorophenyl)-3-[3-(4-fluorophenyl)-3-hydroxypropyl]-4-oxoazetidin-2-yl]phenyl]-4-methoxybenzaldehyde
    —— (4S)-1-(4-fluorophenyl)-4-[4-[4-[4-[(2S,3R)-1-(4-fluorophenyl)-3-[(3S)-3-(4-fluorophenyl)-3-hydroxypropyl]-4-oxoazetidin-2-yl]phenoxy]but-2-enoxy]phenyl]-3-[(3S)-3-(4-fluorophenyl)-3-hydroxypropyl]azetidin-2-one —— C52H46F4N2O6
    (4S)-1-(4-fluorophenyl)-4-[4-[4-[4-[(2S,3R)-1-(4-fluorophenyl)-3-[(3S)-3-(4-fluorophenyl)-3-hydroxypropyl]-4-oxoazetidin-2-yl]phenoxy]but-2-enoxy]phenyl]-3-[(3S)-3-(4-fluorophenyl)-3-hydroxypropyl]azetidin-2-one
    —— (2R,5S,6R)-6-[[3-(2-chloro-6-fluorophenyl)-5-methyl-1,2-oxazole-4-carbonyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid —— C19H17ClFN3O5S
    (2R,5S,6R)-6-[[3-(2-chloro-6-fluorophenyl)-5-methyl-1,2-oxazole-4-carbonyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid
    —— 4-Nitrobenzyl (1s,5r,6s)-2-[5-carbamoyl-7-(pyridin-3-yl)carbonylimidazo[5,1-b]thiazol-2-yl]-6-((1r)-1-hydroxyethyl)-1-methyl-1-carbapen-2-em-3-carboxylate —— C29H24N6O8S
    4-Nitrobenzyl (1s,5r,6s)-2-[5-carbamoyl-7-(pyridin-3-yl)carbonylimidazo[5,1-b]thiazol-2-yl]-6-((1r)-1-hydroxyethyl)-1-methyl-1-carbapen-2-em-3-carboxylate
    —— (4S,5R,6S)-3-[6-[(2R)-3-amino-2-methylpropyl]-7-methylsulfanylimidazo[5,1-b][1,3]thiazol-6-ium-3-yl]-6-[(1R)-1-hydroxyethyl]-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid —— C20H27N4O4S2+
    (4S,5R,6S)-3-[6-[(2R)-3-amino-2-methylpropyl]-7-methylsulfanylimidazo[5,1-b][1,3]thiazol-6-ium-3-yl]-6-[(1R)-1-hydroxyethyl]-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid
    —— 7-(Hydroxymethyl)-5-trimethylsilyloxy-1-azaspiro[3.5]non-8-en-2-one —— C12H21NO3Si
    7-(Hydroxymethyl)-5-trimethylsilyloxy-1-azaspiro[3.5]non-8-en-2-one
    —— (2R,5R,6R)-3,3-dimethyl-7-oxo-6-[(2-phenylacetyl)amino]-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid —— C16H18N2O4S
    (2R,5R,6R)-3,3-dimethyl-7-oxo-6-[(2-phenylacetyl)amino]-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid
    —— (2R,5R,6R)-6-[(1-aminocyclohexanecarbonyl)amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid —— C15H23N3O4S
    (2R,5R,6R)-6-[(1-aminocyclohexanecarbonyl)amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid
    —— 1-(7-Hydroxy-2,2,4,4,5,5-hexamethylheptan-3-yl)azepan-2-one —— C19H37NO2
    1-(7-Hydroxy-2,2,4,4,5,5-hexamethylheptan-3-yl)azepan-2-one
    —— 7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-[(1S)-1-carboxyethoxy]iminoacetyl]amino]-3-[[2-(dimethylamino)-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-carboxylic acid —— C28H34ClN10O7S2+
    7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-[(1S)-1-carboxyethoxy]iminoacetyl]amino]-3-[[2-(dimethylamino)-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-carboxylic acid
    —— (2R,5R,6R)-6-[(2-amino-2-methylpropanoyl)amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid —— C12H19N3O4S
    (2R,5R,6R)-6-[(2-amino-2-methylpropanoyl)amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid
    —— (7S)-7-[[2-(5-amino-1,2,4-thiadiazol-3-yl)-2-methoxyiminoacetyl]amino]-3-[2-(5-methyl-1,3-thiazol-4-yl)ethenyl]-8-oxo-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C19H19N7O5S2
    (7S)-7-[[2-(5-amino-1,2,4-thiadiazol-3-yl)-2-methoxyiminoacetyl]amino]-3-[2-(5-methyl-1,3-thiazol-4-yl)ethenyl]-8-oxo-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— 1-[4-[3-(1,3-Thiazol-2-ylamino)propyl]phenyl]azetidin-2-one —— C15H17N3OS
    1-[4-[3-(1,3-Thiazol-2-ylamino)propyl]phenyl]azetidin-2-one
    —— (6R,7R)-7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-(carboxymethoxyimino)acetyl]amino]-3-(3,4-dihydro-2H-pyrano[3,2-c]pyridin-6-ium-6-ylmethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C23H22ClN6O8S2+
    (6R,7R)-7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-(carboxymethoxyimino)acetyl]amino]-3-(3,4-dihydro-2H-pyrano[3,2-c]pyridin-6-ium-6-ylmethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (2S,5R,6R)-6-[5-[(3R)-dithiolan-3-yl]pentanoylamino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid —— C16H24N2O4S3
    (2S,5R,6R)-6-[5-[(3R)-dithiolan-3-yl]pentanoylamino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid
    —— 6-fluoro-3-[4-[(3-imino-2-pyridin-4-ylprop-1-enyl)iminomethyl]triazol-1-yl]-1-(2,2,2-trifluoroethyl)-4,5,5a,9a-tetrahydro-3H-1-benzazepin-2-one —— C23H21F4N7O
    6-fluoro-3-[4-[(3-imino-2-pyridin-4-ylprop-1-enyl)iminomethyl]triazol-1-yl]-1-(2,2,2-trifluoroethyl)-4,5,5a,9a-tetrahydro-3H-1-benzazepin-2-one
    —— tert-butyl 4-[2-[(2R,3S)-3-[(1S)-1-[tert-butyl(dimethyl)silyl]oxyethyl]-4-oxoazetidin-2-yl]acetyl]thiophene-2-carboxylate —— C22H35NO5SSi
    tert-butyl 4-[2-[(2R,3S)-3-[(1S)-1-[tert-butyl(dimethyl)silyl]oxyethyl]-4-oxoazetidin-2-yl]acetyl]thiophene-2-carboxylate
    —— (4-nitrophenyl)methyl (4S,5R,6S)-3-[6-(2-azidoethyl)-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 —— C25H26N7O6S2+
    (4-nitrophenyl)methyl (4S,5R,6S)-3-[6-(2-azidoethyl)-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
    —— butyl (2S)-2-[[2-[4-[1-(4-fluorophenyl)-3-[3-(4-fluorophenyl)-3-hydroxypropyl]-4-oxoazetidin-2-yl]phenoxy]acetyl]amino]-6-[(2-methylpropan-2-yl)oxycarbonylamino]hexanoate —— C41H51F2N3O8
    butyl (2S)-2-[[2-[4-[1-(4-fluorophenyl)-3-[3-(4-fluorophenyl)-3-hydroxypropyl]-4-oxoazetidin-2-yl]phenoxy]acetyl]amino]-6-[(2-methylpropan-2-yl)oxycarbonylamino]hexanoate
    —— Methoxymethylbenzene;methyl 2,2,3-trimethyl-3-(3-methyl-2-oxo-3-phenylazetidin-1-yl)butanoate;methyl 2,2,3-trimethyl-3-[(2-methyl-2-phenylbutanoyl)amino]butanoate;2,2,3-trimethyl-3-(3-methyl-2-oxo-3-phenylazetidin-1-yl)butanoic acid —— C78H107N3O12
    Methoxymethylbenzene;methyl 2,2,3-trimethyl-3-(3-methyl-2-oxo-3-phenylazetidin-1-yl)butanoate;methyl 2,2,3-trimethyl-3-[(2-methyl-2-phenylbutanoyl)amino]butanoate;2,2,3-trimethyl-3-(3-methyl-2-oxo-3-phenylazetidin-1-yl)butanoic acid
    —— 7-[[2-(5-Amino-1,2,4-thiadiazol-3-yl)-2-nitrosoacetyl]amino]-8-oxo-3-[5-(trifluoromethyl)thiadiazol-4-yl]sulfanyl-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C15H11F3N8O5S3
    7-[[2-(5-Amino-1,2,4-thiadiazol-3-yl)-2-nitrosoacetyl]amino]-8-oxo-3-[5-(trifluoromethyl)thiadiazol-4-yl]sulfanyl-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (6R,7S)-7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-nitrosoacetyl]amino]-8-oxo-3-pyridin-4-ylsulfanyl-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C18H15ClN6O5S2
    (6R,7S)-7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-nitrosoacetyl]amino]-8-oxo-3-pyridin-4-ylsulfanyl-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (6R,7R)-7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-[(1S)-1-carboxyethoxy]iminoacetyl]amino]-3-[(3-methoxypyridin-1-ium-1-yl)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C22H22ClN6O8S2+
    (6R,7R)-7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-[(1S)-1-carboxyethoxy]iminoacetyl]amino]-3-[(3-methoxypyridin-1-ium-1-yl)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (6S,7R)-3-[2-[2-[(2-aminoacetyl)amino]ethylsulfanylmethyl]pyridin-3-yl]sulfanyl-7-[[2-(5-amino-1,2,4-thiadiazol-3-yl)-2-nitrosoacetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C21H23N9O6S4
    (6S,7R)-3-[2-[2-[(2-aminoacetyl)amino]ethylsulfanylmethyl]pyridin-3-yl]sulfanyl-7-[[2-(5-amino-1,2,4-thiadiazol-3-yl)-2-nitrosoacetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (3S,4S)-1-[bis(4-methoxyphenyl)methyl]-4-(2,2-dimethylpropanoyl)-3-(1-hydroxyethyl)azetidin-2-one —— C25H31NO5
    (3S,4S)-1-[bis(4-methoxyphenyl)methyl]-4-(2,2-dimethylpropanoyl)-3-(1-hydroxyethyl)azetidin-2-one
    —— Methyl 2-imino-5-[3-(methylamino)-4-oxoazetidin-2-yl]-3-oxopentanoate —— C10H15N3O4
    Methyl 2-imino-5-[3-(methylamino)-4-oxoazetidin-2-yl]-3-oxopentanoate
    —— 3-(4-oxoazetidin-2-yl)-N-[4-(3-oxoaziridin-2-yl)butyl]propanamide —— C12H19N3O3
    3-(4-oxoazetidin-2-yl)-N-[4-(3-oxoaziridin-2-yl)butyl]propanamide
    —— 2-[4-[1-(3-Fluorophenyl)-3-(3-hydroxy-3-phenylpropyl)-4-oxoazetidin-2-yl]-3-hydroxyphenyl]benzenesulfonic acid —— C30H26FNO6S
    2-[4-[1-(3-Fluorophenyl)-3-(3-hydroxy-3-phenylpropyl)-4-oxoazetidin-2-yl]-3-hydroxyphenyl]benzenesulfonic acid
    —— (4-nitrophenyl)methyl (4S,5R,6S)-3-[7-(3-azidopropylsulfanyl)-6-[[3,5-bis(triethylsilyloxy)phenyl]methyl]imidazo[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 —— C44H60N7O8S2Si2+
    (4-nitrophenyl)methyl (4S,5R,6S)-3-[7-(3-azidopropylsulfanyl)-6-[[3,5-bis(triethylsilyloxy)phenyl]methyl]imidazo[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