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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
    —— 9-O-tert-butyl 4-O-methyl (10R)-8-[(E)-[1-(3-nitrophenyl)-2-oxopyrrolidin-3-ylidene]methyl]-2-oxo-1,4-diazatricyclo[4.3.1.03,10]dec-8-ene-4,9-dicarboxylate —— C26H28N4O8
    9-O-tert-butyl 4-O-methyl (10R)-8-[(E)-[1-(3-nitrophenyl)-2-oxopyrrolidin-3-ylidene]methyl]-2-oxo-1,4-diazatricyclo[4.3.1.03,10]dec-8-ene-4,9-dicarboxylate
    —— (2,6-dimethylphenoxy)carbonyloxymethyl (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 —— C26H27N3O7S2
    (2,6-dimethylphenoxy)carbonyloxymethyl (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
    —— (6R,7S)-7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-3-[2-(2-aminoethyl)pyridin-3-yl]sulfanyl-8-oxo-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C21H22ClN7O5S2
    (6R,7S)-7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-3-[2-(2-aminoethyl)pyridin-3-yl]sulfanyl-8-oxo-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (4R)-3-[(2R,3S)-1-benzyl-2-[2-(3-methoxyphenyl)ethenyl]-4-oxoazetidin-3-yl]-4-phenyl-1,3-oxazolidin-2-one —— C28H26N2O4
    (4R)-3-[(2R,3S)-1-benzyl-2-[2-(3-methoxyphenyl)ethenyl]-4-oxoazetidin-3-yl]-4-phenyl-1,3-oxazolidin-2-one
    —— (4-methoxyphenyl)methyl (6R,7R)-7-[[2-[(2S)-1-benzhydryloxy-1-oxopropan-2-yl]oxyimino-2-[5-chloro-2-[(2-methylpropan-2-yl)oxycarbonylamino]-1,3-thiazol-4-yl]acetyl]amino]-3-[[4-[[(3R)-1-[(2-methylpropan-2-yl)oxycarbonyl]pyrrolidin-3-yl]amino]pyridin-1-ium-1-yl]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate —— C56H62ClN8O12S2+
    (4-methoxyphenyl)methyl (6R,7R)-7-[[2-[(2S)-1-benzhydryloxy-1-oxopropan-2-yl]oxyimino-2-[5-chloro-2-[(2-methylpropan-2-yl)oxycarbonylamino]-1,3-thiazol-4-yl]acetyl]amino]-3-[[4-[[(3R)-1-[(2-methylpropan-2-yl)oxycarbonyl]pyrrolidin-3-yl]amino]pyridin-1-ium-1-yl]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
    —— adamantane-1-carbonyloxymethyl (5R,6S)-6-[(2R)-2-hydroxypropyl]-3-(7-methylsulfanylimidazo[5,1-b][1,3]thiazol-2-yl)-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate —— C28H33N3O6S2
    adamantane-1-carbonyloxymethyl (5R,6S)-6-[(2R)-2-hydroxypropyl]-3-(7-methylsulfanylimidazo[5,1-b][1,3]thiazol-2-yl)-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate
    —— [4-[[(4R)-2-diazo-4-[(2R,3S)-3-[(1R)-1-hydroxyethyl]-4-oxoazetidin-2-yl]-3-oxopentanoyl]oxymethyl]phenyl]-methyl-oxoazanium —— C18H21N4O6+
    [4-[[(4R)-2-diazo-4-[(2R,3S)-3-[(1R)-1-hydroxyethyl]-4-oxoazetidin-2-yl]-3-oxopentanoyl]oxymethyl]phenyl]-methyl-oxoazanium
    —— [4-[[(4R)-2-diazonio-3-hydroxy-4-[(2R,3S)-3-[(1R)-1-hydroxyethyl]-4-oxoazetidin-2-yl]pent-2-enoyl]oxymethyl]phenyl]-methyl-oxoazanium —— C18H22N4O6+2
    [4-[[(4R)-2-diazonio-3-hydroxy-4-[(2R,3S)-3-[(1R)-1-hydroxyethyl]-4-oxoazetidin-2-yl]pent-2-enoyl]oxymethyl]phenyl]-methyl-oxoazanium
    —— 2-[3-[4-[1-[4-[3,4-Dihydroxy-3-(hydroxymethyl)butyl]phenyl]-3-methyl-4-oxoazetidin-2-yl]phenyl]propyl]propanedioic acid —— C27H33NO8
    2-[3-[4-[1-[4-[3,4-Dihydroxy-3-(hydroxymethyl)butyl]phenyl]-3-methyl-4-oxoazetidin-2-yl]phenyl]propyl]propanedioic acid
    —— 7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-[(1S)-1-carboxyethoxy]iminoacetyl]amino]-3-[[2-amino-1-[3-(2-hydroxyethylamino)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 —— C27H32ClN10O8S2+
    7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-[(1S)-1-carboxyethoxy]iminoacetyl]amino]-3-[[2-amino-1-[3-(2-hydroxyethylamino)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-[[[amino-(4-ethoxycarbonylpiperazin-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 —— C21H26N10O7S2
    (6R,7R)-3-[[[amino-(4-ethoxycarbonylpiperazin-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-Nitrobenzyl (1s,5r,6s)-6-((1r)-1-hydroxyethyl)-1-methyl-2-[7-[5-(4-nitrobenzyloxycarbonyl)pyridin-3-yl]carbonylimidazo[5,1-b]thiazol-2-yl]-1-carbapen-2-em-3-carboxylate —— C36H28N6O11S
    4-Nitrobenzyl (1s,5r,6s)-6-((1r)-1-hydroxyethyl)-1-methyl-2-[7-[5-(4-nitrobenzyloxycarbonyl)pyridin-3-yl]carbonylimidazo[5,1-b]thiazol-2-yl]-1-carbapen-2-em-3-carboxylate
    —— (6R,7R)-7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-[(1S)-1-carboxyethoxy]iminoacetyl]amino]-8-oxo-3-[[1-[[(3S)-pyrrolidin-3-yl]methyl]pyrrolo[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-[[(3S)-pyrrolidin-3-yl]methyl]pyrrolo[3,2-b]pyridin-4-ium-4-yl]methyl]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (6R,7R)-7-[[(2E)-2-(2-amino-1,3-thiazol-4-yl)-2-hydroxyiminoacetyl]amino]-3-methylsulfanyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C13H13N5O5S3
    (6R,7R)-7-[[(2E)-2-(2-amino-1,3-thiazol-4-yl)-2-hydroxyiminoacetyl]amino]-3-methylsulfanyl-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-[(1S)-1-carboxyethoxy]iminoacetyl]amino]-8-oxo-3-[[4-(1H-pyrazol-4-yl)pyridin-1-ium-1-yl]methyl]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C24H22ClN8O7S2+
    7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-[(1S)-1-carboxyethoxy]iminoacetyl]amino]-8-oxo-3-[[4-(1H-pyrazol-4-yl)pyridin-1-ium-1-yl]methyl]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— Di-methyl adipimid —— C8H13NO2
    Di-methyl adipimid
    —— 7-[[2-(2-Amino-5-chloro-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-3-[[5-(methylamino)-1,3,4-thiadiazol-2-yl]sulfanyl]-8-oxo-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C17H17ClN8O5S3
    7-[[2-(2-Amino-5-chloro-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-3-[[5-(methylamino)-1,3,4-thiadiazol-2-yl]sulfanyl]-8-oxo-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (3R,4R)-4-acetyl-1-deuterio-3-[(1R)-1-hydroxyethyl]azetidin-2-one;ethane —— C9H17NO3
    (3R,4R)-4-acetyl-1-deuterio-3-[(1R)-1-hydroxyethyl]azetidin-2-one;ethane
    —— 1-(2-Hydroxy-2-methylpropyl)azepan-2-one —— C10H19NO2
    1-(2-Hydroxy-2-methylpropyl)azepan-2-one
    —— 4-Nitrobenzyl (1s,5r,6s)-6-((1r)-1-hydroxyethyl)-1-methyl-2-[7-(pyridin-4-yl)carbonylimidazo[5,1-b]thiazol-2-yl]-1-carbapen-2-em-3-carboxylate —— C28H23N5O7S
    4-Nitrobenzyl (1s,5r,6s)-6-((1r)-1-hydroxyethyl)-1-methyl-2-[7-(pyridin-4-yl)carbonylimidazo[5,1-b]thiazol-2-yl]-1-carbapen-2-em-3-carboxylate
    —— (4-nitrophenyl)methyl (4S,5S,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,5S,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
    —— [4-[(2S,3R)-1-(4-fluorophenyl)-3-[(3S)-3-(4-fluorophenyl)-3-hydroxypropyl]-4-oxoazetidin-2-yl]phenyl] 3,3-dimethylbutaneperoxoate —— C30H31F2NO5
    [4-[(2S,3R)-1-(4-fluorophenyl)-3-[(3S)-3-(4-fluorophenyl)-3-hydroxypropyl]-4-oxoazetidin-2-yl]phenyl] 3,3-dimethylbutaneperoxoate
    —— (7S)-7-[[2-(2-amino-1,3-thiazol-4-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 —— C20H20N6O5S2
    (7S)-7-[[2-(2-amino-1,3-thiazol-4-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
    —— prop-2-enyl 2-[(3S,4R)-3-[(1S)-1-[tert-butyl(dimethyl)silyl]oxyethyl]-2-oxo-4-[(2R)-1-oxo-1-[7-(pyridine-3-carbonyl)imidazo[5,1-b][1,3]thiazol-2-yl]propan-2-yl]azetidin-1-yl]-2-oxoacetate —— C30H36N4O7SSi
    prop-2-enyl 2-[(3S,4R)-3-[(1S)-1-[tert-butyl(dimethyl)silyl]oxyethyl]-2-oxo-4-[(2R)-1-oxo-1-[7-(pyridine-3-carbonyl)imidazo[5,1-b][1,3]thiazol-2-yl]propan-2-yl]azetidin-1-yl]-2-oxoacetate
    —— (5R,6S)-4-[2-(2,4-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-(2,4-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
    —— 7-[[2-(2-Amino-5-chloro-1,3-thiazol-4-yl)-2-nitrosoacetyl]amino]-3-[[2-(2-aminoethylsulfanyl)-4-(2-aminoethylsulfanylmethyl)-1,3-thiazol-5-yl]sulfanyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C20H23ClN8O5S6
    7-[[2-(2-Amino-5-chloro-1,3-thiazol-4-yl)-2-nitrosoacetyl]amino]-3-[[2-(2-aminoethylsulfanyl)-4-(2-aminoethylsulfanylmethyl)-1,3-thiazol-5-yl]sulfanyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— 3-prop-1-enyl-5,6,7,8,9,10-hexahydro-1H-1,4-diazecin-2-one —— C11H18N2O
    3-prop-1-enyl-5,6,7,8,9,10-hexahydro-1H-1,4-diazecin-2-one
    —— (6R,7R)-3-[2-(2,6-diaminopyrimidin-4-yl)sulfanylethenyl]-7-[[2-(1-imino-2,5-dihydro-1,2,4-thiadiazol-3-yl)-2-nitrosoacetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C17H18N10O5S3
    (6R,7R)-3-[2-(2,6-diaminopyrimidin-4-yl)sulfanylethenyl]-7-[[2-(1-imino-2,5-dihydro-1,2,4-thiadiazol-3-yl)-2-nitrosoacetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (5R)-3-(2-hydroxyethylidene)-4-oxa-1-azabicyclo[3.2.0]heptan-7-one —— C7H9NO3
    (5R)-3-(2-hydroxyethylidene)-4-oxa-1-azabicyclo[3.2.0]heptan-7-one
    —— (3S,4S)-3-[2-(4-fluorophenoxy)ethyl]-1-(4-fluorophenyl)-4-[4-[[(2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]methoxy]phenyl]azetidin-2-one —— C30H31F2NO8
    (3S,4S)-3-[2-(4-fluorophenoxy)ethyl]-1-(4-fluorophenyl)-4-[4-[[(2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]methoxy]phenyl]azetidin-2-one
    —— (4-methoxyphenyl)methyl 7-[[(2E)-2-[5-bromo-2-[(2-methylpropan-2-yl)oxycarbonylamino]-1,3-thiazol-4-yl]-2-[(2-methylpropan-2-yl)oxyimino]acetyl]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-carboxylate —— C41H50BrN8O8S2+
    (4-methoxyphenyl)methyl 7-[[(2E)-2-[5-bromo-2-[(2-methylpropan-2-yl)oxycarbonylamino]-1,3-thiazol-4-yl]-2-[(2-methylpropan-2-yl)oxyimino]acetyl]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-carboxylate
    —— tert-butyl formate;(4-methoxyphenyl)methyl 7-[[(2E)-2-[5-bromo-2-[(2-methylpropan-2-yl)oxycarbonylamino]-1,3-thiazol-4-yl]-2-[(2-methylpropan-2-yl)oxyimino]acetyl]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-carboxylate —— C46H60BrN8O10S2+
    tert-butyl formate;(4-methoxyphenyl)methyl 7-[[(2E)-2-[5-bromo-2-[(2-methylpropan-2-yl)oxycarbonylamino]-1,3-thiazol-4-yl]-2-[(2-methylpropan-2-yl)oxyimino]acetyl]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-carboxylate
    —— (6R,7S)-7-[[2-(5-amino-1,2,4-thiadiazol-3-yl)-2-methoxyiminoacetyl]amino]-8-oxo-3-(1,3,4-thiadiazol-2-ylsulfanyl)-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C15H14N8O5S3
    (6R,7S)-7-[[2-(5-amino-1,2,4-thiadiazol-3-yl)-2-methoxyiminoacetyl]amino]-8-oxo-3-(1,3,4-thiadiazol-2-ylsulfanyl)-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (2S,3S)-3-[[2-(2-amino-1,3-thiazol-4-yl)-2-[(1-methoxy-4,5-dioxopiperidin-2-yl)methoxyimino]acetyl]amino]-2-methyl-4-oxoazetidine-1-sulfonic acid —— C16H20N6O9S2
    (2S,3S)-3-[[2-(2-amino-1,3-thiazol-4-yl)-2-[(1-methoxy-4,5-dioxopiperidin-2-yl)methoxyimino]acetyl]amino]-2-methyl-4-oxoazetidine-1-sulfonic acid
    —— 6-[(2S)-2-[4-[(4-chloro-1-benzothiophen-2-yl)sulfanyl]-3-hydroxybutyl]-4-oxoazetidin-1-yl]hex-4-ene-1-sulfonic acid —— C21H26ClNO5S3
    6-[(2S)-2-[4-[(4-chloro-1-benzothiophen-2-yl)sulfanyl]-3-hydroxybutyl]-4-oxoazetidin-1-yl]hex-4-ene-1-sulfonic acid
    —— 7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-[(1S)-1-carboxyethoxy]iminoacetyl]amino]-3-[[1-[2-(methylamino)ethyl]triazolo[4,5-b]pyridin-4-ium-4-yl]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C24H26ClN10O7S2+
    7-[[2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-[(1S)-1-carboxyethoxy]iminoacetyl]amino]-3-[[1-[2-(methylamino)ethyl]triazolo[4,5-b]pyridin-4-ium-4-yl]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— Ethane;methyl 2-methoxy-2-(2-oxoazetidin-1-yl)acetate —— C9H17NO4
    Ethane;methyl 2-methoxy-2-(2-oxoazetidin-1-yl)acetate
    —— 1-(cyclohexylmethoxycarbonyloxy)propyl (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 —— C27H35N3O9S2
    1-(cyclohexylmethoxycarbonyloxy)propyl (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
    —— 1-[[2-[3-[2-[4-[1-(4-Fluorophenyl)-3-[3-(4-fluorophenyl)-3-hydroxypropyl]-4-oxoazetidin-2-yl]phenyl]ethyl]oxetan-3-yl]oxy-1-hydroxyethyl]amino]cyclopentane-1-carboxylic acid —— C37H42F2N2O7
    1-[[2-[3-[2-[4-[1-(4-Fluorophenyl)-3-[3-(4-fluorophenyl)-3-hydroxypropyl]-4-oxoazetidin-2-yl]phenyl]ethyl]oxetan-3-yl]oxy-1-hydroxyethyl]amino]cyclopentane-1-carboxylic acid
    —— (7S)-7-[[2-(5-amino-1,2,4-thiadiazol-3-yl)-2-nitrosoacetyl]amino]-8-oxo-3-[(6-oxo-1H-pyridin-3-yl)sulfanyl]-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C17H15N7O6S2
    (7S)-7-[[2-(5-amino-1,2,4-thiadiazol-3-yl)-2-nitrosoacetyl]amino]-8-oxo-3-[(6-oxo-1H-pyridin-3-yl)sulfanyl]-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]-3-[2-(2,6-diaminopyrimidin-4-yl)sulfanylethenyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C19H19N9O5S3
    (6R,7R)-7-[[2-(2-amino-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-3-[2-(2,6-diaminopyrimidin-4-yl)sulfanylethenyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (5R,6S)-6-[(1R)-1-hydroxyethyl]-4-methyl-3-(7-methylsulfanylimidazo[5,1-b][1,3]thiazol-2-yl)-7-oxo-4-[2-(2-phenylmethoxyacetyl)oxyethyl]-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid —— C27H29N3O7S2
    (5R,6S)-6-[(1R)-1-hydroxyethyl]-4-methyl-3-(7-methylsulfanylimidazo[5,1-b][1,3]thiazol-2-yl)-7-oxo-4-[2-(2-phenylmethoxyacetyl)oxyethyl]-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid
    —— 2-[3-[4-[3-[3-(4-Fluorophenyl)propyl]-4-oxo-1-(4-propylphenyl)azetidin-2-yl]phenyl]propyl]propanedioic acid —— C33H36FNO5
    2-[3-[4-[3-[3-(4-Fluorophenyl)propyl]-4-oxo-1-(4-propylphenyl)azetidin-2-yl]phenyl]propyl]propanedioic acid
    —— [(2R,3S)-3-[(1R)-1-hydroxyethyl]-2-methylsulfanyl-4-oxoazetidin-1-yl] 3-(4-nitrophenyl)propanoate —— C15H18N2O6S
    [(2R,3S)-3-[(1R)-1-hydroxyethyl]-2-methylsulfanyl-4-oxoazetidin-1-yl] 3-(4-nitrophenyl)propanoate
    —— 4-Nitrobenzyl (4R,5S,6S)-6-[(1R)-1-hydroxyethyl]-4-methyl-7-oxo-3-[2-(3-pyridazinyl)ethylthio]-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate —— C23H24N4O6S
    4-Nitrobenzyl (4R,5S,6S)-6-[(1R)-1-hydroxyethyl]-4-methyl-7-oxo-3-[2-(3-pyridazinyl)ethylthio]-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate
    —— (6R,7R)-7-[[2-[4-(2-carboxyethenyl)-2,5-dichlorophenyl]sulfanylacetyl]amino]-3-[[1-[2-hydroxy-3-[(2-methylpropan-2-yl)oxycarbonylamino]propyl]pyridin-1-ium-4-yl]sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid —— C32H35Cl2N4O9S3+
    (6R,7R)-7-[[2-[4-(2-carboxyethenyl)-2,5-dichlorophenyl]sulfanylacetyl]amino]-3-[[1-[2-hydroxy-3-[(2-methylpropan-2-yl)oxycarbonylamino]propyl]pyridin-1-ium-4-yl]sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— (4-nitrophenyl)methyl (4S,5R,6S)-3-[6-[[3-(4-aza-1-azoniabicyclo[2.2.2]octan-1-ylmethyl)phenyl]methyl]-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 —— C37H42N6O6S2+2
    (4-nitrophenyl)methyl (4S,5R,6S)-3-[6-[[3-(4-aza-1-azoniabicyclo[2.2.2]octan-1-ylmethyl)phenyl]methyl]-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
    —— 2-methylpropanoyloxymethyl (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 —— C21H26N2O7S2
    2-methylpropanoyloxymethyl (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
    —— (4-nitrophenyl)methyl (5R,6S)-6-[(1R)-1-hydroxyethyl]-3-[3-(hydroxymethyl)-6-methyl-7-methylsulfanylimidazo[5,1-b][1,3]thiazol-6-ium-2-yl]-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate —— C24H25N4O7S2+
    (4-nitrophenyl)methyl (5R,6S)-6-[(1R)-1-hydroxyethyl]-3-[3-(hydroxymethyl)-6-methyl-7-methylsulfanylimidazo[5,1-b][1,3]thiazol-6-ium-2-yl]-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate
    —— 2-[3-[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-[3-[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