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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
    —— (3S,4S,6S)-6-[(1R)-1-(4-fluorophenyl)-2-[(2R,3R)-2-[2-hydroxy-4-(3-hydroxyphenyl)phenyl]-4-oxo-1-phenylazetidin-3-yl]sulfanylethoxy]-3,4,5-trihydroxyoxane-2-carboxylic acid —— C35H32FNO10S
    (3S,4S,6S)-6-[(1R)-1-(4-fluorophenyl)-2-[(2R,3R)-2-[2-hydroxy-4-(3-hydroxyphenyl)phenyl]-4-oxo-1-phenylazetidin-3-yl]sulfanylethoxy]-3,4,5-trihydroxyoxane-2-carboxylic acid
    —— (6R,7R)-3-[(7-amino-1H-pyrazolo[4,3-d]pyrimidin-5-yl)sulfanylmethylsulfanyl]-7-[[2-(2,5-dichlorophenyl)sulfanylacetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C21H17Cl2N7O4S4
    (6R,7R)-3-[(7-amino-1H-pyrazolo[4,3-d]pyrimidin-5-yl)sulfanylmethylsulfanyl]-7-[[2-(2,5-dichlorophenyl)sulfanylacetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (6R,7R)-7-acetamido-3-[[5-chloro-2-(2,4-dichlorophenoxy)phenoxy]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid;benzhydryl (6R,7R)-7-amino-3-[[5-chloro-2-(2,4-dichlorophenoxy)phenoxy]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate —— C55H42Cl6N4O11S2
    (6R,7R)-7-acetamido-3-[[5-chloro-2-(2,4-dichlorophenoxy)phenoxy]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid;benzhydryl (6R,7R)-7-amino-3-[[5-chloro-2-(2,4-dichlorophenoxy)phenoxy]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
    —— (5R)-6-(imidazo[2,1-b][1,3]benzothiazol-6-ylmethylidene)-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid —— C17H11N3O3S
    (5R)-6-(imidazo[2,1-b][1,3]benzothiazol-6-ylmethylidene)-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid
    —— (3S,4S)-4-(2,2-dimethylpropanoyl)-1-[hydroxy(diphenyl)methyl]-3-(1-hydroxyethyl)azetidin-2-one —— C23H27NO4
    (3S,4S)-4-(2,2-dimethylpropanoyl)-1-[hydroxy(diphenyl)methyl]-3-(1-hydroxyethyl)azetidin-2-one
    —— 6-Deuterio-2,3,3-trimethyl-4-thia-1-azabicyclo[3.2.0]heptan-7-one;2-(2,3,6-trideuteriophenoxy)acetamide —— C16H22N2O3S
    6-Deuterio-2,3,3-trimethyl-4-thia-1-azabicyclo[3.2.0]heptan-7-one;2-(2,3,6-trideuteriophenoxy)acetamide
    —— benzhydryl (6R,7R)-7-(N-acetylanilino)-8-oxo-3-(trifluoromethylsulfonyloxy)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate —— C29H23F3N2O7S2
    benzhydryl (6R,7R)-7-(N-acetylanilino)-8-oxo-3-(trifluoromethylsulfonyloxy)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
    —— (4S,5R,6S)-3-[6-[3-(2-aminoethylamino)propylsulfanyl]imidazo[5,1-b][1,3]thiazol-4-ium-2-yl]-6-[(1R)-1-hydroxyethyl]-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid —— C20H28N5O4S2+
    (4S,5R,6S)-3-[6-[3-(2-aminoethylamino)propylsulfanyl]imidazo[5,1-b][1,3]thiazol-4-ium-2-yl]-6-[(1R)-1-hydroxyethyl]-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid
    —— 2-[2-(furan-2-yl)ethenyl]-N,1-bis(3-methoxyphenyl)-4-oxoazetidine-2-carboxamide —— C24H22N2O5
    2-[2-(furan-2-yl)ethenyl]-N,1-bis(3-methoxyphenyl)-4-oxoazetidine-2-carboxamide
    —— 4-Benzo[D]1,3-dioxolan-5-YL-3-methoxy-1-(4-methoxyphenyl)azetidin-2-one —— C18H17NO5
    4-Benzo[D]1,3-dioxolan-5-YL-3-methoxy-1-(4-methoxyphenyl)azetidin-2-one
    —— (6S,7R)-7-[[2-(5-amino-1,2,4-thiadiazol-3-yl)-2-nitrosoacetyl]amino]-3-[2-[2-[[(2S)-2,6-diaminohexanoyl]amino]ethylsulfanylmethyl]pyridin-3-yl]sulfanyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C25H32N10O6S4
    (6S,7R)-7-[[2-(5-amino-1,2,4-thiadiazol-3-yl)-2-nitrosoacetyl]amino]-3-[2-[2-[[(2S)-2,6-diaminohexanoyl]amino]ethylsulfanylmethyl]pyridin-3-yl]sulfanyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— 4-(piperidinyl)-piperidinyl 3(R)-[3(S)-(4(S)-phenyloxazolidin-2-on-3-yl)-3-methyl-4(R)-(styr-2-yl)azetidin-2-on-1-yl]-3-[(3-trifluoromethyl)phenylmethylaminocarbonyl]propanoic acid —— C43H48F3N5O5
    4-(piperidinyl)-piperidinyl 3(R)-[3(S)-(4(S)-phenyloxazolidin-2-on-3-yl)-3-methyl-4(R)-(styr-2-yl)azetidin-2-on-1-yl]-3-[(3-trifluoromethyl)phenylmethylaminocarbonyl]propanoic acid
    —— 7-[[2-(5-amino-1,2,4-thiadiazol-3-yl)-2-nitrosoacetyl]amino]-3-[2-[2-[[(2S)-2,4-diamino-4-oxobutanoyl]amino]ethylsulfanylmethyl]pyridin-3-yl]sulfanyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C23H26N10O7S4
    7-[[2-(5-amino-1,2,4-thiadiazol-3-yl)-2-nitrosoacetyl]amino]-3-[2-[2-[[(2S)-2,4-diamino-4-oxobutanoyl]amino]ethylsulfanylmethyl]pyridin-3-yl]sulfanyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— ethane;(4S)-1-phenyl-4-[4-[[(2S,3S,4R,5R,6R)-3,4,5-tris(phenylmethoxy)-6-(phenylmethoxymethyl)oxan-2-yl]methyl]phenyl]azetidin-2-one —— C56H67NO6
    ethane;(4S)-1-phenyl-4-[4-[[(2S,3S,4R,5R,6R)-3,4,5-tris(phenylmethoxy)-6-(phenylmethoxymethyl)oxan-2-yl]methyl]phenyl]azetidin-2-one
    —— (7R)-7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-[(1S)-1-carboxyethoxy]iminoacetyl]amino]-3-[(3-fluoropyridin-1-ium-1-yl)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C21H19ClFN6O7S2+
    (7R)-7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-[(1S)-1-carboxyethoxy]iminoacetyl]amino]-3-[(3-fluoropyridin-1-ium-1-yl)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (4R,5S,6S)-3-[2-(2-carbamoyl-1,3-thiazol-5-yl)ethenylsulfanyl]-6-[(1R)-1-hydroxyethyl]-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid —— C16H17N3O5S2
    (4R,5S,6S)-3-[2-(2-carbamoyl-1,3-thiazol-5-yl)ethenylsulfanyl]-6-[(1R)-1-hydroxyethyl]-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid
    —— 2-(3-methylphenoxy)carbonyloxyethyl (4S,5R,6S)-6-[(1R)-1-hydroxyethyl]-4-methyl-3-(7-methylsulfonylimidazo[5,1-b][1,3]thiazol-2-yl)-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate —— C26H27N3O9S2
    2-(3-methylphenoxy)carbonyloxyethyl (4S,5R,6S)-6-[(1R)-1-hydroxyethyl]-4-methyl-3-(7-methylsulfonylimidazo[5,1-b][1,3]thiazol-2-yl)-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate
    —— (7R)-3-[3-[4-chloro-2-(6-chloro-4-oxo-3H-quinazolin-2-yl)phenoxy]prop-1-enyl]-7-[[2-[2-(2-methoxyethoxy)ethoxy]acetyl]amino]-5,8-dioxo-5lambda4-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C31H30Cl2N4O10S
    (7R)-3-[3-[4-chloro-2-(6-chloro-4-oxo-3H-quinazolin-2-yl)phenoxy]prop-1-enyl]-7-[[2-[2-(2-methoxyethoxy)ethoxy]acetyl]amino]-5,8-dioxo-5lambda4-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (3-oxo-1H-2-benzofuran-1-yl) (5S,6S)-6-[(1R)-1-hydroxyethyl]-4-methyl-3-(5-methyl-7-methylsulfonylimidazo[5,1-b][1,3]thiazol-2-yl)-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate —— C25H23N3O8S2
    (3-oxo-1H-2-benzofuran-1-yl) (5S,6S)-6-[(1R)-1-hydroxyethyl]-4-methyl-3-(5-methyl-7-methylsulfonylimidazo[5,1-b][1,3]thiazol-2-yl)-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate
    —— (6R,7R)-7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-[(1S)-1-carboxyethoxy]iminoacetyl]amino]-3-[[3-[3-(methylamino)propyl]pyridin-1-ium-1-yl]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C25H29ClN7O7S2+
    (6R,7R)-7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-[(1S)-1-carboxyethoxy]iminoacetyl]amino]-3-[[3-[3-(methylamino)propyl]pyridin-1-ium-1-yl]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— 3-Ethyl-4-oxoazetidine-2-carboxylic acid;1-methylazetidine —— C10H18N2O3
    3-Ethyl-4-oxoazetidine-2-carboxylic acid;1-methylazetidine
    —— 7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-[(1S)-1-carboxyethoxy]iminoacetyl]amino]-3-[[2-(dimethylaminomethylideneamino)-1-[2-(methylamino)ethyl]imidazo[4,5-c]pyridin-5-ium-5-yl]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C28H33ClN11O7S2+
    7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-[(1S)-1-carboxyethoxy]iminoacetyl]amino]-3-[[2-(dimethylaminomethylideneamino)-1-[2-(methylamino)ethyl]imidazo[4,5-c]pyridin-5-ium-5-yl]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (6R,7R)-3-[[1-[[1-[2-(3-fluoro-4-hydroxyanilino)-2-oxoethyl]pyridin-1-ium-4-yl]methyl]-2-oxopyrrolidin-3-ylidene]methyl]-7-[[2-(4-hydroxyphenyl)sulfanylacetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C34H31FN5O8S2+
    (6R,7R)-3-[[1-[[1-[2-(3-fluoro-4-hydroxyanilino)-2-oxoethyl]pyridin-1-ium-4-yl]methyl]-2-oxopyrrolidin-3-ylidene]methyl]-7-[[2-(4-hydroxyphenyl)sulfanylacetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— 3-(5-Methyl-[1,3,4]thiadiazol-2-ylsulfanylmethyl)-8-oxo-7-(2-phenoxy-acetylamino)-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid 50827-50-4 C19H18N4O5S3
    3-(5-Methyl-[1,3,4]thiadiazol-2-ylsulfanylmethyl)-8-oxo-7-(2-phenoxy-acetylamino)-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— 7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-[(1S)-1-carboxyethoxy]iminoacetyl]amino]-3-[[2-[2-(methylamino)ethyl]pyrazolo[4,3-b]pyridin-4-ium-4-yl]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C25H27ClN9O7S2+
    7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-[(1S)-1-carboxyethoxy]iminoacetyl]amino]-3-[[2-[2-(methylamino)ethyl]pyrazolo[4,3-b]pyridin-4-ium-4-yl]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (2S)-2-amino-6-[[2-[[2-[4-[1-(4-fluorophenyl)-3-[2-(4-fluorophenyl)-2-hydroxyethyl]sulfanyl-4-oxoazetidin-2-yl]phenoxy]acetyl]amino]acetyl]amino]hexanoic acid —— C33H36F2N4O7S
    (2S)-2-amino-6-[[2-[[2-[4-[1-(4-fluorophenyl)-3-[2-(4-fluorophenyl)-2-hydroxyethyl]sulfanyl-4-oxoazetidin-2-yl]phenoxy]acetyl]amino]acetyl]amino]hexanoic acid
    —— (7R)-7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-[(1S)-1-carboxyethoxy]iminoacetyl]amino]-3-[[2-amino-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 —— C26H30ClN10O7S2+
    (7R)-7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-[(1S)-1-carboxyethoxy]iminoacetyl]amino]-3-[[2-amino-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
    —— (6R,7R)-3-[3-[(2,7-diamino-1-methyl-[1,2,4]triazolo[1,5-c]pyrimidin-1-ium-5-yl)sulfanyl]prop-1-enyl]-7-[[2-(2,6-dichloropyridin-4-yl)sulfanylacetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C23H22Cl2N9O4S3+
    (6R,7R)-3-[3-[(2,7-diamino-1-methyl-[1,2,4]triazolo[1,5-c]pyrimidin-1-ium-5-yl)sulfanyl]prop-1-enyl]-7-[[2-(2,6-dichloropyridin-4-yl)sulfanylacetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— [nitro(phenyl)methyl] (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 —— C23H22N4O6S2
    [nitro(phenyl)methyl] (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
    —— (6S,7R)-3-[3-[2-[[(2S)-2-amino-3-carboxypropanoyl]amino]ethylsulfanylmethyl]pyridin-2-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 —— C24H25ClN8O8S4
    (6S,7R)-3-[3-[2-[[(2S)-2-amino-3-carboxypropanoyl]amino]ethylsulfanylmethyl]pyridin-2-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
    —— 7-[[2-(2-Amino-5-chloro-1,3-thiazol-4-yl)-2-nitrosoacetyl]amino]-8-oxo-3-[5-(trifluoromethyl)thiadiazol-4-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-[5-(trifluoromethyl)thiadiazol-4-yl]sulfanyl-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— 1,3,3-Trihydroxy-1-azaspiro[3.5]nonane-2,7-dione —— C8H11NO5
    1,3,3-Trihydroxy-1-azaspiro[3.5]nonane-2,7-dione
    —— 4-[4-[3-[3-(2-Fluorophenyl)-3-hydroxypropyl]-4-oxo-1-phenylazetidin-2-yl]-2-hydroxyphenyl]benzenesulfonic acid —— C30H26FNO6S
    4-[4-[3-[3-(2-Fluorophenyl)-3-hydroxypropyl]-4-oxo-1-phenylazetidin-2-yl]-2-hydroxyphenyl]benzenesulfonic acid
    —— N-[2-[2-[1-(2-methoxyethyl)-2-oxoazetidin-3-yl]ethoxy]ethyl]propanamide —— C13H24N2O4
    N-[2-[2-[1-(2-methoxyethyl)-2-oxoazetidin-3-yl]ethoxy]ethyl]propanamide
    —— 1-ethoxycarbonyloxyethyl (6R,7R)-7-[[2-(5-amino-1,2,4-thiadiazol-3-yl)-2-nitrosoacetyl]amino]-8-oxo-3-[[2-oxo-1-[(3R)-pyrrolidin-3-yl]pyrrolidin-3-ylidene]methyl]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate —— C25H30N8O9S2
    1-ethoxycarbonyloxyethyl (6R,7R)-7-[[2-(5-amino-1,2,4-thiadiazol-3-yl)-2-nitrosoacetyl]amino]-8-oxo-3-[[2-oxo-1-[(3R)-pyrrolidin-3-yl]pyrrolidin-3-ylidene]methyl]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
    —— (7R)-7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-[(1S)-1-carboxyethoxy]iminoacetyl]amino]-3-[(2-amino-[1,3]thiazolo[4,5-c]pyridin-5-ium-5-yl)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C22H20ClN8O7S3+
    (7R)-7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-[(1S)-1-carboxyethoxy]iminoacetyl]amino]-3-[(2-amino-[1,3]thiazolo[4,5-c]pyridin-5-ium-5-yl)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (6S,7R)-3-[2-(2-aminoethylsulfanylmethyl)pyridin-3-yl]sulfanyl-7-[[2-[5-[[(2S)-2-aminopropanoyl]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 —— C22H25N9O6S4
    (6S,7R)-3-[2-(2-aminoethylsulfanylmethyl)pyridin-3-yl]sulfanyl-7-[[2-[5-[[(2S)-2-aminopropanoyl]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
    —— Azetidine-1-carboximidamide;3-ethyl-1-methyl-4-oxoazetidine-2-carboxylic acid —— C11H20N4O3
    Azetidine-1-carboximidamide;3-ethyl-1-methyl-4-oxoazetidine-2-carboxylic acid
    —— (6R,7R)-7-[[2-(2-amino-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-3-[[5-chloro-2-(2,4-dichlorophenoxy)phenoxy]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C26H20Cl3N5O7S2
    (6R,7R)-7-[[2-(2-amino-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-3-[[5-chloro-2-(2,4-dichlorophenoxy)phenoxy]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— tert-butyl N-[4-(bromomethyl)pyridin-2-yl]-N-[(2-methylpropan-2-yl)oxycarbonyl]carbamate;(3R,4S)-1-[tert-butyl(dimethyl)silyl]-3-[(2-methylpyridin-4-yl)methyl]-4-(trifluoromethyl)azetidin-2-one;(4S)-1-[tert-butyl(dimethyl)silyl]-4-(trifluoromethyl)azetidin-2-one —— C43H66BrF6N5O6Si2
    tert-butyl N-[4-(bromomethyl)pyridin-2-yl]-N-[(2-methylpropan-2-yl)oxycarbonyl]carbamate;(3R,4S)-1-[tert-butyl(dimethyl)silyl]-3-[(2-methylpyridin-4-yl)methyl]-4-(trifluoromethyl)azetidin-2-one;(4S)-1-[tert-butyl(dimethyl)silyl]-4-(trifluoromethyl)azetidin-2-one
    —— (4S)-4-[4-(4-bromobut-2-enoxy)-2-phenylmethoxyphenyl]-3-[(3S)-3-[tert-butyl(dimethyl)silyl]oxy-3-(4-fluorophenyl)propyl]-1-(4-fluorophenyl)azetidin-2-one —— C41H46BrF2NO4Si
    (4S)-4-[4-(4-bromobut-2-enoxy)-2-phenylmethoxyphenyl]-3-[(3S)-3-[tert-butyl(dimethyl)silyl]oxy-3-(4-fluorophenyl)propyl]-1-(4-fluorophenyl)azetidin-2-one
    —— 1-O-tert-butyl 2-O-[(3S,4S)-2-oxo-4-phenylazetidin-3-yl] (2R)-pyrrolidine-1,2-dicarboxylate —— C19H24N2O5
    1-O-tert-butyl 2-O-[(3S,4S)-2-oxo-4-phenylazetidin-3-yl] (2R)-pyrrolidine-1,2-dicarboxylate
    —— 7-Hydroxy-6-methylazepane-2,3,4-trione —— C7H9NO4
    7-Hydroxy-6-methylazepane-2,3,4-trione
    —— (5R)-6-(6,8-dihydro-5H-imidazo[2,1-c][1,4]oxazin-2-ylmethylidene)-7-oxo-4-thia-1-azabicyclo[3.2.0]hept-2-ene-3-carboxylic acid —— C13H11N3O4S
    (5R)-6-(6,8-dihydro-5H-imidazo[2,1-c][1,4]oxazin-2-ylmethylidene)-7-oxo-4-thia-1-azabicyclo[3.2.0]hept-2-ene-3-carboxylic acid
    —— methyl (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-carboxylate —— C19H17ClN6O5S2
    methyl (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-carboxylate
    —— benzyl N-[(2R,3S)-2-(aminomethyl)-4-oxoazetidin-3-yl]carbamate;benzyl N-[(2R,3S)-2-ethyl-4-oxoazetidin-3-yl]carbamate;2-[(2R,3S)-4-oxo-3-(phenylmethoxycarbonylamino)azetidin-2-yl]acetic acid —— C51H61N9O14
    benzyl N-[(2R,3S)-2-(aminomethyl)-4-oxoazetidin-3-yl]carbamate;benzyl N-[(2R,3S)-2-ethyl-4-oxoazetidin-3-yl]carbamate;2-[(2R,3S)-4-oxo-3-(phenylmethoxycarbonylamino)azetidin-2-yl]acetic acid
    —— tert-butyl (2R)-2-[(E)-6-methoxy-5-methyl-6-oxohex-4-enyl]-7-oxoazepane-1-carboxylate —— C19H31NO5
    tert-butyl (2R)-2-[(E)-6-methoxy-5-methyl-6-oxohex-4-enyl]-7-oxoazepane-1-carboxylate
    —— di(propan-2-yl)carbamoyloxymethyl (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 —— C24H33N3O7S2
    di(propan-2-yl)carbamoyloxymethyl (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
    —— [(2R,3S)-3-[(1R)-1-[tert-butyl(dimethyl)silyl]oxyethyl]-2-[2-(1-ethyl-5-methylpyrazol-3-yl)-2-oxoethyl]-4-oxoazetidin-1-yl] 3-cyclohexyloxycarbonyloxypropaneperoxoate —— C29H47N3O9Si
    [(2R,3S)-3-[(1R)-1-[tert-butyl(dimethyl)silyl]oxyethyl]-2-[2-(1-ethyl-5-methylpyrazol-3-yl)-2-oxoethyl]-4-oxoazetidin-1-yl] 3-cyclohexyloxycarbonyloxypropaneperoxoate
    —— 2-[(4E,7Z)-4-ethyl-7-[3-[3-(4-fluorophenyl)-3-methoxypropyl]-4-oxo-1-[4-[4-(1,2,4-triazol-1-yl)butyl]phenyl]azetidin-2-yl]-6-oxonona-4,7-dienyl]propanedioic acid —— C39H47FN4O7
    2-[(4E,7Z)-4-ethyl-7-[3-[3-(4-fluorophenyl)-3-methoxypropyl]-4-oxo-1-[4-[4-(1,2,4-triazol-1-yl)butyl]phenyl]azetidin-2-yl]-6-oxonona-4,7-dienyl]propanedioic acid