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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
    —— (5R,6S)-4-[2-(2-ethylbutanoyloxy)ethyl]-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 —— C24H31N3O6S2
    (5R,6S)-4-[2-(2-ethylbutanoyloxy)ethyl]-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
    —— 4-(1,3-Benzodioxol-5-yl)-1-cyclopentyl-3-(2-methylphenoxy)azetidin-2-one —— C22H23NO4
    4-(1,3-Benzodioxol-5-yl)-1-cyclopentyl-3-(2-methylphenoxy)azetidin-2-one
    —— 2-[(2R,3S)-3-[(1R)-1-[tert-butyl(dimethyl)silyl]oxyethyl]-2-[2-(1,5-diethylpyrazol-3-yl)-2-oxoethyl]-4-oxoazetidin-1-yl]-2-(tributyl-lambda5-phosphanylidene)acetic acid —— C34H62N3O5PSi
    2-[(2R,3S)-3-[(1R)-1-[tert-butyl(dimethyl)silyl]oxyethyl]-2-[2-(1,5-diethylpyrazol-3-yl)-2-oxoethyl]-4-oxoazetidin-1-yl]-2-(tributyl-lambda5-phosphanylidene)acetic acid
    —— Tert-butyl 2-(7-oxoazepan-2-yl)acetate —— C12H21NO3
    Tert-butyl 2-(7-oxoazepan-2-yl)acetate
    —— 1-Benzo[1,3]dioxol-5-ylmethyl-3-phenoxy-4-thiophen-2-yl-azetidin-2-one —— C21H17NO4S
    1-Benzo[1,3]dioxol-5-ylmethyl-3-phenoxy-4-thiophen-2-yl-azetidin-2-one
    —— 4-(1,3-Benzodioxol-5-yl)-1-(1,3-benzodioxol-5-ylmethyl)-3-(4-methoxyphenoxy)azetidin-2-one —— C25H21NO7
    4-(1,3-Benzodioxol-5-yl)-1-(1,3-benzodioxol-5-ylmethyl)-3-(4-methoxyphenoxy)azetidin-2-one
    —— 4-(1,3-Benzodioxol-5-yl)-1-(4-fluorobenzyl)-3-(4-methoxyphenoxy)azetidin-2-one —— C24H20FNO5
    4-(1,3-Benzodioxol-5-yl)-1-(4-fluorobenzyl)-3-(4-methoxyphenoxy)azetidin-2-one
    —— 7-[[2-(2-Amino-5-chloro-1,3-thiazol-4-yl)-2-nitrosoacetyl]amino]-3-(4-chlorothiadiazol-5-yl)sulfanyl-8-oxo-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C15H11Cl2N7O5S3
    7-[[2-(2-Amino-5-chloro-1,3-thiazol-4-yl)-2-nitrosoacetyl]amino]-3-(4-chlorothiadiazol-5-yl)sulfanyl-8-oxo-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— 4-(3,4-Dimethoxyphenyl)-1-[(4-fluorophenyl)methyl]-3-(4-methoxyphenoxy)azetidin-2-one —— C25H24FNO5
    4-(3,4-Dimethoxyphenyl)-1-[(4-fluorophenyl)methyl]-3-(4-methoxyphenoxy)azetidin-2-one
    —— methyl (6S,7S)-7-[[2-(2-amino-1,3-thiazol-4-yl)acetyl]amino]-3-[[1-[2-(dimethylamino)ethyl]tetrazol-5-yl]sulfanylmethyl]-7-(2,2-dimethylpropanoyloxy)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate —— C24H33N9O6S3
    methyl (6S,7S)-7-[[2-(2-amino-1,3-thiazol-4-yl)acetyl]amino]-3-[[1-[2-(dimethylamino)ethyl]tetrazol-5-yl]sulfanylmethyl]-7-(2,2-dimethylpropanoyloxy)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
    —— (4R,5S,6S)-4-(2-cyclohexyl-1-ethoxycarbonyloxyethyl)-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 —— C27H35N3O7S2
    (4R,5S,6S)-4-(2-cyclohexyl-1-ethoxycarbonyloxyethyl)-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
    —— (6R,7R)-7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-[(1S)-1-carboxyethoxy]iminoacetyl]amino]-3-[[4-[2-(methylamino)ethylamino]pyridin-1-ium-1-yl]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C24H28ClN8O7S2+
    (6R,7R)-7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-[(1S)-1-carboxyethoxy]iminoacetyl]amino]-3-[[4-[2-(methylamino)ethylamino]pyridin-1-ium-1-yl]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— 3-(3-hydroxy-3-phenylpropyl)-4-(4-methoxyphenyl)-1-[4-[[2-(3-methyl-3H-diazirin-1-ium-1-yl)ethylamino]methyl]phenyl]azetidin-2-one —— C30H35N4O3+
    3-(3-hydroxy-3-phenylpropyl)-4-(4-methoxyphenyl)-1-[4-[[2-(3-methyl-3H-diazirin-1-ium-1-yl)ethylamino]methyl]phenyl]azetidin-2-one
    —— (7S)-7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-nitrosoacetyl]amino]-3-(3-chloropyridin-4-yl)sulfanyl-8-oxo-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C18H14Cl2N6O5S2
    (7S)-7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-nitrosoacetyl]amino]-3-(3-chloropyridin-4-yl)sulfanyl-8-oxo-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— N-(7,7-dimethyl-4-oxo-5,6,8,8a-tetrahydro-3aH-[1,3]thiazolo[5,4-c]azepin-2-yl)acetamide —— C11H17N3O2S
    N-(7,7-dimethyl-4-oxo-5,6,8,8a-tetrahydro-3aH-[1,3]thiazolo[5,4-c]azepin-2-yl)acetamide
    —— (6R,7R)-7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-[(1S)-1-carboxyethoxy]iminoacetyl]amino]-3-[[4-[[(2S)-2-aminopropyl]amino]pyridin-1-ium-1-yl]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C24H28ClN8O7S2+
    (6R,7R)-7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-[(1S)-1-carboxyethoxy]iminoacetyl]amino]-3-[[4-[[(2S)-2-aminopropyl]amino]pyridin-1-ium-1-yl]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (4-methoxyphenyl)methyl 7-[[2-[(2R)-1-benzhydryloxy-3-methyl-1-oxobutan-2-yl]oxyimino-2-[5-chloro-2-[(2-methylpropan-2-yl)oxycarbonylamino]-1,3-thiazol-4-yl]acetyl]amino]-3-(chloromethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate —— C44H45Cl2N5O10S2
    (4-methoxyphenyl)methyl 7-[[2-[(2R)-1-benzhydryloxy-3-methyl-1-oxobutan-2-yl]oxyimino-2-[5-chloro-2-[(2-methylpropan-2-yl)oxycarbonylamino]-1,3-thiazol-4-yl]acetyl]amino]-3-(chloromethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
    —— 4-(4-Ethylphenyl)-1-(4-fluorophenyl)-3-[3-(4-fluorophenyl)-3-hydroxypropyl]azetidin-2-one —— C26H25F2NO2
    4-(4-Ethylphenyl)-1-(4-fluorophenyl)-3-[3-(4-fluorophenyl)-3-hydroxypropyl]azetidin-2-one
    —— (7R)-7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-nitrosoacetyl]amino]-3-[(5-methylsulfanyl-1,3,4-thiadiazol-2-yl)sulfanyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C15H12ClN7O5S5
    (7R)-7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-nitrosoacetyl]amino]-3-[(5-methylsulfanyl-1,3,4-thiadiazol-2-yl)sulfanyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (3-oxo-1H-2-benzofuran-1-yl) (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 —— C24H22N2O7S2
    (3-oxo-1H-2-benzofuran-1-yl) (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
    —— 3,3-Dimethyl-7-oxo-6-[(2-phenoxybutanoyl)amino]-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate —— C18H21N2O5S-
    3,3-Dimethyl-7-oxo-6-[(2-phenoxybutanoyl)amino]-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate
    —— (5R,6R)-3-[(3S)-1-benzylpyrrolidin-3-yl]sulfanyl-6-(1-hydroxypropyl)-7-oxo-4-thia-1-azabicyclo[3.2.0]hept-2-ene-6-carboxylic acid —— C20H24N2O4S2
    (5R,6R)-3-[(3S)-1-benzylpyrrolidin-3-yl]sulfanyl-6-(1-hydroxypropyl)-7-oxo-4-thia-1-azabicyclo[3.2.0]hept-2-ene-6-carboxylic acid
    —— 3-[7-[[2-(5-Amino-1,2,4-thiadiazol-3-yl)-2-hydroxyiminoacetyl]amino]-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]prop-2-enyl-ethyl-dimethylazanium —— C18H24N7O5S2+
    3-[7-[[2-(5-Amino-1,2,4-thiadiazol-3-yl)-2-hydroxyiminoacetyl]amino]-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]prop-2-enyl-ethyl-dimethylazanium
    —— 2-[4-[(2R)-2-(3-hydroxy-4-phenylbut-1-enyl)-7-oxoazepan-1-yl]butoxy]acetic acid —— C22H31NO5
    2-[4-[(2R)-2-(3-hydroxy-4-phenylbut-1-enyl)-7-oxoazepan-1-yl]butoxy]acetic acid
    —— prop-2-enyl (4S,5R,6S)-3-[6-[(3S)-1-[N,N'-bis(prop-2-enoxycarbonyl)carbamimidoyl]pyrrolidin-3-yl]-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 —— C32H39N6O8S2+
    prop-2-enyl (4S,5R,6S)-3-[6-[(3S)-1-[N,N'-bis(prop-2-enoxycarbonyl)carbamimidoyl]pyrrolidin-3-yl]-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
    —— 7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-[(1S)-1-carboxyethoxy]iminoacetyl]amino]-3-[[1-[3-(methylamino)propyl]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 —— C27H30ClN8O7S2+
    7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-[(1S)-1-carboxyethoxy]iminoacetyl]amino]-3-[[1-[3-(methylamino)propyl]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
    —— (4R)-3,3-diethyl-4-[4-(2-piperazin-1-ylacetyl)phenoxy]azetidin-2-one —— C19H27N3O3
    (4R)-3,3-diethyl-4-[4-(2-piperazin-1-ylacetyl)phenoxy]azetidin-2-one
    —— 1-(4-acetylphenyl)-N-cyclohexyl-4-oxo-2-(2-phenylethenyl)azetidine-2-carboxamide —— C26H28N2O3
    1-(4-acetylphenyl)-N-cyclohexyl-4-oxo-2-(2-phenylethenyl)azetidine-2-carboxamide
    —— 1-(4-acetamidophenyl)-N-cyclohexyl-4-oxo-2-(2-phenylethenyl)azetidine-2-carboxamide —— C26H29N3O3
    1-(4-acetamidophenyl)-N-cyclohexyl-4-oxo-2-(2-phenylethenyl)azetidine-2-carboxamide
    —— N-cyclohexyl-1-(4-fluorophenyl)-4-oxo-2-(2-phenylethenyl)azetidine-2-carboxamide —— C24H25FN2O2
    N-cyclohexyl-1-(4-fluorophenyl)-4-oxo-2-(2-phenylethenyl)azetidine-2-carboxamide
    —— N-cyclohexyl-4-oxo-1-phenyl-2-(2-phenylethenyl)azetidine-2-carboxamide —— C24H26N2O2
    N-cyclohexyl-4-oxo-1-phenyl-2-(2-phenylethenyl)azetidine-2-carboxamide
    —— N-cyclohexyl-1-(4-methoxyphenyl)-4-oxo-2-(2-phenylethenyl)azetidine-2-carboxamide —— C25H28N2O3
    N-cyclohexyl-1-(4-methoxyphenyl)-4-oxo-2-(2-phenylethenyl)azetidine-2-carboxamide
    —— N-cyclohexyl-1-(2,3-dihydro-1,4-benzodioxin-6-yl)-4-oxo-2-(2-phenylethenyl)azetidine-2-carboxamide —— C26H28N2O4
    N-cyclohexyl-1-(2,3-dihydro-1,4-benzodioxin-6-yl)-4-oxo-2-(2-phenylethenyl)azetidine-2-carboxamide
    —— 1-(1,3-benzodioxol-5-yl)-N-cyclohexyl-4-oxo-2-(2-phenylethenyl)azetidine-2-carboxamide —— C25H26N2O4
    1-(1,3-benzodioxol-5-yl)-N-cyclohexyl-4-oxo-2-(2-phenylethenyl)azetidine-2-carboxamide
    —— 7-[[2-(5-amino-1,2,4-thiadiazol-3-yl)-2-[(1S)-1-carboxyethoxy]iminoacetyl]amino]-3-[[4-[2-(methylamino)ethylamino]pyridin-1-ium-1-yl]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C23H28N9O7S2+
    7-[[2-(5-amino-1,2,4-thiadiazol-3-yl)-2-[(1S)-1-carboxyethoxy]iminoacetyl]amino]-3-[[4-[2-(methylamino)ethylamino]pyridin-1-ium-1-yl]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (2R)-1-[(2-methylpropan-2-yl)oxycarbonyl]-2-[(3R,4S)-2-oxo-4-phenylazetidin-3-yl]pyrrolidine-2-carboxylic acid —— C19H24N2O5
    (2R)-1-[(2-methylpropan-2-yl)oxycarbonyl]-2-[(3R,4S)-2-oxo-4-phenylazetidin-3-yl]pyrrolidine-2-carboxylic acid
    —— 7-[[(2E)-2-methoxyiminopropanoyl]amino]-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C13H17N3O6S
    7-[[(2E)-2-methoxyiminopropanoyl]amino]-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— 1-[2-[3-[2-[4-[3-[2-(4-Fluorophenoxy)ethyl]-1-(4-fluorophenyl)-4-oxoazetidin-2-yl]phenyl]ethyl]oxetan-3-yl]oxyacetyl]pyrrolidine-2-carbaldehyde —— C35H36F2N2O6
    1-[2-[3-[2-[4-[3-[2-(4-Fluorophenoxy)ethyl]-1-(4-fluorophenyl)-4-oxoazetidin-2-yl]phenyl]ethyl]oxetan-3-yl]oxyacetyl]pyrrolidine-2-carbaldehyde
    —— 3-(2-Hydroxy-3-piperidin-1-ylpropyl)-1,8,8-trimethyl-3-azabicyclo[3.2.1]octane-2,4-dione —— C18H30N2O3
    3-(2-Hydroxy-3-piperidin-1-ylpropyl)-1,8,8-trimethyl-3-azabicyclo[3.2.1]octane-2,4-dione
    —— 1-[2-[3-[2-[4-[1-(4-Fluorophenyl)-3-[3-(4-fluorophenyl)-3-hydroxypropyl]-4-oxoazetidin-2-yl]phenyl]ethyl]oxetan-3-yl]oxyacetyl]pyrrolidine-2-carbaldehyde —— C36H38F2N2O6
    1-[2-[3-[2-[4-[1-(4-Fluorophenyl)-3-[3-(4-fluorophenyl)-3-hydroxypropyl]-4-oxoazetidin-2-yl]phenyl]ethyl]oxetan-3-yl]oxyacetyl]pyrrolidine-2-carbaldehyde
    —— 7-[[2-(2-Amino-5-chloro-1,3-thiazol-4-yl)-2-nitrosoacetyl]amino]-8-oxo-3-(pyridin-4-ylmethylsulfanyl)-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C19H17ClN6O5S2
    7-[[2-(2-Amino-5-chloro-1,3-thiazol-4-yl)-2-nitrosoacetyl]amino]-8-oxo-3-(pyridin-4-ylmethylsulfanyl)-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (4S,5R,6S)-6-[(1R)-1-hydroxyethyl]-4-methyl-4-[2-[(5R)-5-methyl-2-propan-2-ylcyclohexyl]oxycarbonyloxyethyl]-3-(7-methylsulfonylimidazo[5,1-b][1,3]thiazol-2-yl)-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid —— C29H39N3O9S2
    (4S,5R,6S)-6-[(1R)-1-hydroxyethyl]-4-methyl-4-[2-[(5R)-5-methyl-2-propan-2-ylcyclohexyl]oxycarbonyloxyethyl]-3-(7-methylsulfonylimidazo[5,1-b][1,3]thiazol-2-yl)-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid
    —— 6-[(2R)-2-(3-hydroxy-4-phenylbut-1-enyl)-7-oxoazepan-1-yl]hex-4-ynylphosphonic acid —— C22H30NO5P
    6-[(2R)-2-(3-hydroxy-4-phenylbut-1-enyl)-7-oxoazepan-1-yl]hex-4-ynylphosphonic acid
    —— 3-[[2-amino-1-[(3S)-3-aminobutyl]imidazo[4,5-b]pyridin-4-ium-4-yl]methyl]-7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-[(1S)-1-carboxyethoxy]iminoacetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C26H30ClN10O7S2+
    3-[[2-amino-1-[(3S)-3-aminobutyl]imidazo[4,5-b]pyridin-4-ium-4-yl]methyl]-7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-[(1S)-1-carboxyethoxy]iminoacetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— 3-[5-(Formamidomethyl)-1-[(2-methoxyphenyl)methyl]pyrrolidin-3-yl]sulfanyl-6-(1-hydroxyethyl)-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid —— C24H31N3O6S
    3-[5-(Formamidomethyl)-1-[(2-methoxyphenyl)methyl]pyrrolidin-3-yl]sulfanyl-6-(1-hydroxyethyl)-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid
    —— 6-(1-Hydroxyethyl)-3-[1-[(4-hydroxyphenyl)methyl]-5-(methylcarbamoyl)pyrrolidin-3-yl]sulfanyl-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid —— C23H29N3O6S
    6-(1-Hydroxyethyl)-3-[1-[(4-hydroxyphenyl)methyl]-5-(methylcarbamoyl)pyrrolidin-3-yl]sulfanyl-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid
    —— pentan-3-yloxycarbonyloxymethyl (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 —— C23H30N2O8S2
    pentan-3-yloxycarbonyloxymethyl (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
    —— 1-[(3R,4S)-1-tert-butyl-2-oxo-4-phenylazetidin-3-yl]oxycarbonylpyrrolidine-2-carboxylic acid —— C19H24N2O5
    1-[(3R,4S)-1-tert-butyl-2-oxo-4-phenylazetidin-3-yl]oxycarbonylpyrrolidine-2-carboxylic acid
    —— tert-butyl (3S)-3-[[(3R)-2-oxo-4-phenylmethoxycarbonylazetidin-3-yl]methyl]piperidine-1-carboxylate —— C22H30N2O5
    tert-butyl (3S)-3-[[(3R)-2-oxo-4-phenylmethoxycarbonylazetidin-3-yl]methyl]piperidine-1-carboxylate
    —— 7-[[(2R)-2-amino-2-(4-hydroxyphenyl)acetyl]amino]-8-oxo-3-prop-1-enyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C18H19N3O5S
    7-[[(2R)-2-amino-2-(4-hydroxyphenyl)acetyl]amino]-8-oxo-3-prop-1-enyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid