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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
    —— 2-morpholin-4-ylethyl (1S,5R,8aR,8bR)-1-[(1R)-1-hydroxyethyl]-5-methoxy-2-oxo-5,6,7,8,8a,8b-hexahydro-1H-azeto[1,2-b]isoindole-4-carboxylate —— C20H30N2O6
    2-morpholin-4-ylethyl (1S,5R,8aR,8bR)-1-[(1R)-1-hydroxyethyl]-5-methoxy-2-oxo-5,6,7,8,8a,8b-hexahydro-1H-azeto[1,2-b]isoindole-4-carboxylate
    —— 7-[[2-(2-Amino-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-3-(2-methylprop-2-enyl)-8-oxo-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C18H21N5O5S
    7-[[2-(2-Amino-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-3-(2-methylprop-2-enyl)-8-oxo-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (7S)-7-[[(2S)-2-amino-2-phenylacetyl]amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C16H17N3O4S
    (7S)-7-[[(2S)-2-amino-2-phenylacetyl]amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— 7-[(2R)-2-(3-hydroxy-4-thiophen-2-ylbut-1-enyl)-7-oxoazepan-1-yl]hept-5-ynoic acid —— C21H27NO4S
    7-[(2R)-2-(3-hydroxy-4-thiophen-2-ylbut-1-enyl)-7-oxoazepan-1-yl]hept-5-ynoic acid
    —— sodium;(7S)-7-[[(2S)-2-amino-2-phenylacetyl]amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate —— C16H16N3NaO4S
    sodium;(7S)-7-[[(2S)-2-amino-2-phenylacetyl]amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
    —— (4-methoxyphenyl)methyl 3-(chloromethyl)-7-[[(2E)-2-[5-chloro-2-[(2-methylpropan-2-yl)oxycarbonylamino]-1,3-thiazol-4-yl]-2-(1-methylcyclopropyl)oxyiminoacetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate —— C30H33Cl2N5O8S2
    (4-methoxyphenyl)methyl 3-(chloromethyl)-7-[[(2E)-2-[5-chloro-2-[(2-methylpropan-2-yl)oxycarbonylamino]-1,3-thiazol-4-yl]-2-(1-methylcyclopropyl)oxyiminoacetyl]amino]-8-oxo-5-thia-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]-3-[2-(2,6-diaminopyrimidin-4-yl)sulfanylethenyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C17H16N10O5S3
    (6R,7R)-7-[[2-(5-amino-1,2,4-thiadiazol-3-yl)-2-nitrosoacetyl]amino]-3-[2-(2,6-diaminopyrimidin-4-yl)sulfanylethenyl]-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]-3-[[5-(methylamino)-1,3,4-thiadiazol-2-yl]sulfanylmethylsulfanyl]-8-oxo-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C17H17ClN8O5S4
    7-[[2-(2-Amino-5-chloro-1,3-thiazol-4-yl)-2-nitrosoacetyl]amino]-3-[[5-(methylamino)-1,3,4-thiadiazol-2-yl]sulfanylmethylsulfanyl]-8-oxo-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— benzyl (3R)-1-[tert-butyl(dimethyl)silyl]-4-oxo-3-[3-[phenylmethoxycarbonyl-(N'-phenylmethoxycarbonylcarbamimidoyl)amino]propyl]azetidine-2-carboxylate —— C37H46N4O7Si
    benzyl (3R)-1-[tert-butyl(dimethyl)silyl]-4-oxo-3-[3-[phenylmethoxycarbonyl-(N'-phenylmethoxycarbonylcarbamimidoyl)amino]propyl]azetidine-2-carboxylate
    —— (6R)-7-[[2-(5-amino-1,2,4-thiadiazol-3-yl)-2-nitrosoacetyl]amino]-8-oxo-3-[(2-oxo-1-pyrrolidin-3-ylpyrrolidin-3-ylidene)methyl]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C20H22N8O6S2
    (6R)-7-[[2-(5-amino-1,2,4-thiadiazol-3-yl)-2-nitrosoacetyl]amino]-8-oxo-3-[(2-oxo-1-pyrrolidin-3-ylpyrrolidin-3-ylidene)methyl]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— 7-Azido-2-[2-chloro-3-[1-[(4-nitrophenyl)methoxycarbonyloxy]ethyl]-4-oxoazetidin-1-yl]-4,4-dimethyl-3-oxoheptanoic acid —— C22H26ClN5O9
    7-Azido-2-[2-chloro-3-[1-[(4-nitrophenyl)methoxycarbonyloxy]ethyl]-4-oxoazetidin-1-yl]-4,4-dimethyl-3-oxoheptanoic acid
    —— 3-[(4-Amino-6-methylsulfanyl-1,3,5-triazin-2-yl)sulfanylmethyl]-8-oxo-7-[(2-phenylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C20H20N6O4S3
    3-[(4-Amino-6-methylsulfanyl-1,3,5-triazin-2-yl)sulfanylmethyl]-8-oxo-7-[(2-phenylacetyl)amino]-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]-8-oxo-3-[(1-piperidin-4-ylpyrrolo[3,2-b]pyridin-4-ium-4-yl)methyl]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C28H30ClN8O7S2+
    (6R,7R)-7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-[(1S)-1-carboxyethoxy]iminoacetyl]amino]-8-oxo-3-[(1-piperidin-4-ylpyrrolo[3,2-b]pyridin-4-ium-4-yl)methyl]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (4S)-4-(2,2-dimethylpentanoyl)azepan-2-one —— C13H23NO2
    (4S)-4-(2,2-dimethylpentanoyl)azepan-2-one
    —— (4-nitrophenyl)methyl (5R,6S)-6-(1-hydroxyethyl)-3-(7-methylsulfonylimidazo[5,1-b][1,3]thiazol-2-yl)-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate —— C22H20N4O8S2
    (4-nitrophenyl)methyl (5R,6S)-6-(1-hydroxyethyl)-3-(7-methylsulfonylimidazo[5,1-b][1,3]thiazol-2-yl)-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate
    —— 3-[[[1-(2-amino-1,3-thiazolidin-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 —— C19H21N7O10S2
    3-[[[1-(2-amino-1,3-thiazolidin-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
    —— (6S,7R)-7-[[2-(5-amino-1,2,4-thiadiazol-3-yl)-2-[2-methyl-1-[(2-methylpropan-2-yl)oxy]-1-oxopropan-2-yl]oxyiminoacetyl]amino]-3-(chloromethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C20H25ClN6O7S2
    (6S,7R)-7-[[2-(5-amino-1,2,4-thiadiazol-3-yl)-2-[2-methyl-1-[(2-methylpropan-2-yl)oxy]-1-oxopropan-2-yl]oxyiminoacetyl]amino]-3-(chloromethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— 2-[2-(1,3-Benzothiazol-2-yldisulfanyl)-3-[[2-(2-formamido-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-4-oxoazetidin-1-yl]-3-methylbut-3-enoic acid —— C22H20N6O6S4
    2-[2-(1,3-Benzothiazol-2-yldisulfanyl)-3-[[2-(2-formamido-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-4-oxoazetidin-1-yl]-3-methylbut-3-enoic acid
    —— 1-propan-2-yloxycarbonyloxyethyl (6R)-3-[[[amino(piperazin-1-yl)methylidene]hydrazinylidene]methyl]-7-[[2-(5-amino-1,2,4-thiadiazol-3-yl)-2-(fluoromethoxyimino)acetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate —— C24H32FN11O8S2
    1-propan-2-yloxycarbonyloxyethyl (6R)-3-[[[amino(piperazin-1-yl)methylidene]hydrazinylidene]methyl]-7-[[2-(5-amino-1,2,4-thiadiazol-3-yl)-2-(fluoromethoxyimino)acetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
    —— 2-(3-oxo-2-benzofuran-1-ylidene)ethyl (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 —— C26H23N3O6S2
    2-(3-oxo-2-benzofuran-1-ylidene)ethyl (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
    —— Tert-butyl 2-[2-oxo-4-(3-oxo-3-phenylsulfanylpropyl)azetidin-1-yl]acetate —— C18H23NO4S
    Tert-butyl 2-[2-oxo-4-(3-oxo-3-phenylsulfanylpropyl)azetidin-1-yl]acetate
    —— 7-[[2-(5-amino-1,2,4-thiadiazol-3-yl)-2-nitrosoacetyl]amino]-3-[2-[2-[[(2S)-2-(methylamino)propanoyl]amino]ethylsulfanylmethyl]pyridin-3-yl]sulfanyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C23H27N9O6S4
    7-[[2-(5-amino-1,2,4-thiadiazol-3-yl)-2-nitrosoacetyl]amino]-3-[2-[2-[[(2S)-2-(methylamino)propanoyl]amino]ethylsulfanylmethyl]pyridin-3-yl]sulfanyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (6R,7R)-3-[[[amino(piperazin-1-yl)methylidene]hydrazinylidene]methyl]-7-[[2-(2-amino-1,3-thiazol-4-yl)-2-nitrosoacetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C18H22N10O5S2
    (6R,7R)-3-[[[amino(piperazin-1-yl)methylidene]hydrazinylidene]methyl]-7-[[2-(2-amino-1,3-thiazol-4-yl)-2-nitrosoacetyl]amino]-8-oxo-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-[(3-methoxyphenyl)methyl]-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 —— C31H31N4O7S2+
    (4-nitrophenyl)methyl (4S,5R,6S)-6-[(1R)-1-hydroxyethyl]-3-[6-[(3-methoxyphenyl)methyl]-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
    —— (3R)-3-[[(3R)-1-[(2-methylpropan-2-yl)oxycarbonyl]piperidin-3-yl]methyl]-4-oxoazetidine-2-carboxylic acid —— C15H24N2O5
    (3R)-3-[[(3R)-1-[(2-methylpropan-2-yl)oxycarbonyl]piperidin-3-yl]methyl]-4-oxoazetidine-2-carboxylic acid
    —— [3-[4-[(2S,3R)-3-[(3S)-3-(4-fluorophenyl)-3-hydroxypropyl]-4-oxo-2-phenylazetidin-2-yl]phenyl]phenyl]boronic acid —— C30H27BFNO4
    [3-[4-[(2S,3R)-3-[(3S)-3-(4-fluorophenyl)-3-hydroxypropyl]-4-oxo-2-phenylazetidin-2-yl]phenyl]phenyl]boronic acid
    —— Tert-butyl 15-ethyl-15-methyl-9-oxo-4,8-diazatricyclo[8.5.0.02,6]pentadecane-4-carboxylate —— C21H36N2O3
    Tert-butyl 15-ethyl-15-methyl-9-oxo-4,8-diazatricyclo[8.5.0.02,6]pentadecane-4-carboxylate
    —— (7R)-3-[[4-amino-3-(carbamoylamino)pyridin-1-ium-1-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 —— C22H23ClN9O8S2+
    (7R)-3-[[4-amino-3-(carbamoylamino)pyridin-1-ium-1-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
    —— Tert-butyl 9-oxo-4,8-diazatricyclo[8.7.0.02,6]heptadecane-4-carboxylate —— C20H34N2O3
    Tert-butyl 9-oxo-4,8-diazatricyclo[8.7.0.02,6]heptadecane-4-carboxylate
    —— 7-[[2-(5-Amino-1,2,4-thiadiazol-3-yl)-2-nitrosoacetyl]amino]-3-[(3-methyl-1,2,4-thiadiazol-5-yl)sulfanyl]-8-oxo-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C15H14N8O5S3
    7-[[2-(5-Amino-1,2,4-thiadiazol-3-yl)-2-nitrosoacetyl]amino]-3-[(3-methyl-1,2,4-thiadiazol-5-yl)sulfanyl]-8-oxo-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (3S,4S)-4-(5-bromopyridin-2-yl)-3-(4-chlorophenyl)-3-methylazetidin-2-one —— C15H12BrClN2O
    (3S,4S)-4-(5-bromopyridin-2-yl)-3-(4-chlorophenyl)-3-methylazetidin-2-one
    —— 1-(2-Methylpropylamino)azepan-2-one —— C10H20N2O
    1-(2-Methylpropylamino)azepan-2-one
    —— 7-[[2-(5-Amino-1,2,4-thiadiazol-3-yl)-2-nitrosoacetyl]amino]-8-oxo-3-(1,2,5-thiadiazol-3-ylsulfanyl)-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C14H12N8O5S3
    7-[[2-(5-Amino-1,2,4-thiadiazol-3-yl)-2-nitrosoacetyl]amino]-8-oxo-3-(1,2,5-thiadiazol-3-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-[[4-(4-aminopiperidin-1-yl)pyridin-1-ium-1-yl]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C26H30ClN8O7S2+
    (6R,7R)-7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-[(1S)-1-carboxyethoxy]iminoacetyl]amino]-3-[[4-(4-aminopiperidin-1-yl)pyridin-1-ium-1-yl]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— benzyl N-[[3-[2-[(3R)-2-[(1S)-1-hydroperoxy-1-phenylethyl]-4-oxoazetidin-3-yl]ethyl]piperidin-1-yl]-(phenylmethoxycarbonylamino)methylidene]carbamate —— C35H40N4O7
    benzyl N-[[3-[2-[(3R)-2-[(1S)-1-hydroperoxy-1-phenylethyl]-4-oxoazetidin-3-yl]ethyl]piperidin-1-yl]-(phenylmethoxycarbonylamino)methylidene]carbamate
    —— 2-[4-[(2R)-2-(3-hydroxy-4-phenylbut-1-enyl)-7-oxoazepan-1-yl]but-2-ynoxy]acetic acid —— C22H27NO5
    2-[4-[(2R)-2-(3-hydroxy-4-phenylbut-1-enyl)-7-oxoazepan-1-yl]but-2-ynoxy]acetic acid
    —— N-[[5-[(4-amino-2-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-en-3-yl)sulfanyl]-3-(2,3-dihydrothiophen-3-yl)cyclohex-2-en-1-yl]methyl]acetamide —— C20H26N3O2S2+
    N-[[5-[(4-amino-2-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-en-3-yl)sulfanyl]-3-(2,3-dihydrothiophen-3-yl)cyclohex-2-en-1-yl]methyl]acetamide
    —— 5-[4-[3-[3-(4-Fluorocyclohexa-1,3-dien-5-yn-1-yl)-3-hydroxypropyl]-4-oxo-1-(4-pentylphenyl)azetidin-2-yl]cyclohexa-2,4-dien-1-yl]-2-(formyloxymethyl)pentanoic acid —— C36H42FNO6
    5-[4-[3-[3-(4-Fluorocyclohexa-1,3-dien-5-yn-1-yl)-3-hydroxypropyl]-4-oxo-1-(4-pentylphenyl)azetidin-2-yl]cyclohexa-2,4-dien-1-yl]-2-(formyloxymethyl)pentanoic acid
    —— 1-[3-(4-Fluorophenyl)-3-oxopropyl]-4-(4-hydroxyphenyl)azetidin-2-one —— C18H16FNO3
    1-[3-(4-Fluorophenyl)-3-oxopropyl]-4-(4-hydroxyphenyl)azetidin-2-one
    —— (3R,4S,6S)-3-methyl-9-azatricyclo[4.3.1.01,4]decan-8-one —— C10H15NO
    (3R,4S,6S)-3-methyl-9-azatricyclo[4.3.1.01,4]decan-8-one
    —— 1-(4-Fluorophenyl)-3-[3-(4-fluorophenyl)but-3-enyl]-4-(4-methylphenyl)azetidin-2-one —— C26H23F2NO
    1-(4-Fluorophenyl)-3-[3-(4-fluorophenyl)but-3-enyl]-4-(4-methylphenyl)azetidin-2-one
    —— benzhydryl (6R,7R)-3-(methoxymethylsulfanyl)-8-oxo-7-[(2-phenylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate —— C30H28N2O5S2
    benzhydryl (6R,7R)-3-(methoxymethylsulfanyl)-8-oxo-7-[(2-phenylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
    —— (5Z)-3-bromo-8,10-diazabicyclo[5.4.1]dodeca-1(12),3,5,7-tetraen-11-one —— C10H9BrN2O
    (5Z)-3-bromo-8,10-diazabicyclo[5.4.1]dodeca-1(12),3,5,7-tetraen-11-one
    —— (3R,4S)-1-(4-fluorophenyl)-3-[(3S)-3-(4-fluorophenyl)-3-hydroxypropyl]-4-[4-[3-[[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]methoxy]prop-1-enyl]phenyl]azetidin-2-one —— C34H37F2NO8
    (3R,4S)-1-(4-fluorophenyl)-3-[(3S)-3-(4-fluorophenyl)-3-hydroxypropyl]-4-[4-[3-[[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]methoxy]prop-1-enyl]phenyl]azetidin-2-one
    —— 4-Nitrobenzyl (1s,5r,6s)-2-(7-carbamoylmethylthioimidazo[5,1-b]thiazol-2-yl)-6-((1r)-1-hydroxyethyl)-1-methyl-1-carbapen-2-em-3-carboxylate —— C24H23N5O7S2
    4-Nitrobenzyl (1s,5r,6s)-2-(7-carbamoylmethylthioimidazo[5,1-b]thiazol-2-yl)-6-((1r)-1-hydroxyethyl)-1-methyl-1-carbapen-2-em-3-carboxylate
    —— (5R,6S)-6-[(1R)-1-hydroxyethyl]-4-methyl-3-(7-methylsulfanylimidazo[5,1-b][1,3]thiazol-2-yl)-7-oxo-4-(2-phenoxycarbonyloxyethyl)-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid —— C25H25N3O7S2
    (5R,6S)-6-[(1R)-1-hydroxyethyl]-4-methyl-3-(7-methylsulfanylimidazo[5,1-b][1,3]thiazol-2-yl)-7-oxo-4-(2-phenoxycarbonyloxyethyl)-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid
    —— (6S,7R)-7-[[2-(5-amino-1,2,4-thiadiazol-3-yl)-2-nitrosoacetyl]amino]-3-[3-[2-(diaminomethylideneamino)ethylsulfanylmethyl]pyridin-4-yl]sulfanyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C20H22N10O5S4
    (6S,7R)-7-[[2-(5-amino-1,2,4-thiadiazol-3-yl)-2-nitrosoacetyl]amino]-3-[3-[2-(diaminomethylideneamino)ethylsulfanylmethyl]pyridin-4-yl]sulfanyl-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]-8-oxo-3-[[4-(piperidin-4-ylamino)pyridin-1-ium-1-yl]methyl]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C26H30ClN8O7S2+
    (6R,7R)-7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-[(1S)-1-carboxyethoxy]iminoacetyl]amino]-8-oxo-3-[[4-(piperidin-4-ylamino)pyridin-1-ium-1-yl]methyl]-5-thia-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]-3-[(4,5-dimethyl-1,3-thiazol-2-yl)sulfanyl]-8-oxo-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C18H17ClN6O5S3
    (6R,7S)-7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-nitrosoacetyl]amino]-3-[(4,5-dimethyl-1,3-thiazol-2-yl)sulfanyl]-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-[1-(4-nitrobenzyloxycarbonyl)piperidin-4-yl]thioimidazo[5,1-b]thiazol-2-yl]-1-carbapen-2-em-3-carboxylate —— C35H34N6O10S2
    4-Nitrobenzyl (1s,5r,6s)-6-((1r)-1-hydroxyethyl)-1-methyl-2-[7-[1-(4-nitrobenzyloxycarbonyl)piperidin-4-yl]thioimidazo[5,1-b]thiazol-2-yl]-1-carbapen-2-em-3-carboxylate