摩熵化学
数据库官网
小程序
打开微信扫一扫
首页 分子通 化学资讯 化学百科 反应查询 关于我们
请输入关键词
历史搜索
    热门化合物HOT
    • 喹啉
    • 水杨醛
    • 二溴甲烷
    • 谷胱甘肽
    • L-乳酸
    • 苯巴比妥
    • 辣椒碱
    • 非那明
    • 百草枯
    • 联苯烯
    首页 分子通 按分子结构分类 有机化合物 有机杂环化合物 吡咯烷类

    吡咯烷类

    中文名称 英文名称 CAS号 化学式 结构式图片
    —— (4E)-5-(3-chlorophenyl)-4-[hydroxy(pyridin-4-yl)methylidene]-1-(6-methoxy-1,3-benzothiazol-2-yl)pyrrolidine-2,3-dione —— C24H16ClN3O4S
    (4E)-5-(3-chlorophenyl)-4-[hydroxy(pyridin-4-yl)methylidene]-1-(6-methoxy-1,3-benzothiazol-2-yl)pyrrolidine-2,3-dione
    —— methyl 4-[(3E)-1-benzyl-3-[hydroxy(pyridin-4-yl)methylidene]-4,5-dioxopyrrolidin-2-yl]benzoate —— C25H20N2O5
    methyl 4-[(3E)-1-benzyl-3-[hydroxy(pyridin-4-yl)methylidene]-4,5-dioxopyrrolidin-2-yl]benzoate
    —— (4E)-4-[(4-chlorophenyl)(hydroxy)methylidene]-5-(3-ethoxy-4-hydroxyphenyl)-1-(furan-2-ylmethyl)pyrrolidine-2,3-dione —— C24H20ClNO6
    (4E)-4-[(4-chlorophenyl)(hydroxy)methylidene]-5-(3-ethoxy-4-hydroxyphenyl)-1-(furan-2-ylmethyl)pyrrolidine-2,3-dione
    —— (E)-[2-(4-methoxycarbonylphenyl)-4,5-dioxo-1-(pyridin-1-ium-3-ylmethyl)pyrrolidin-3-ylidene]-pyridin-4-ylmethanolate —— C24H19N3O5
    (E)-[2-(4-methoxycarbonylphenyl)-4,5-dioxo-1-(pyridin-1-ium-3-ylmethyl)pyrrolidin-3-ylidene]-pyridin-4-ylmethanolate
    —— (4E)-5-(4-tert-butylphenyl)-1-(6-ethyl-1,3-benzothiazol-2-yl)-4-[hydroxy(phenyl)methylidene]pyrrolidine-2,3-dione —— C30H28N2O3S
    (4E)-5-(4-tert-butylphenyl)-1-(6-ethyl-1,3-benzothiazol-2-yl)-4-[hydroxy(phenyl)methylidene]pyrrolidine-2,3-dione
    —— (4E)-5-(3-chlorophenyl)-4-[hydroxy(pyridin-4-yl)methylidene]-1-[5-[(4-methylphenyl)methylsulfanyl]-1,3,4-thiadiazol-2-yl]pyrrolidine-2,3-dione —— C26H19ClN4O3S2
    (4E)-5-(3-chlorophenyl)-4-[hydroxy(pyridin-4-yl)methylidene]-1-[5-[(4-methylphenyl)methylsulfanyl]-1,3,4-thiadiazol-2-yl]pyrrolidine-2,3-dione
    —— methyl 4-[(3E)-1-[2-(diethylamino)ethyl]-3-[hydroxy(pyridin-4-yl)methylidene]-4,5-dioxopyrrolidin-2-yl]benzoate —— C24H27N3O5
    methyl 4-[(3E)-1-[2-(diethylamino)ethyl]-3-[hydroxy(pyridin-4-yl)methylidene]-4,5-dioxopyrrolidin-2-yl]benzoate
    —— methyl 4-[(3E)-1-(6-chloro-1,3-benzothiazol-2-yl)-3-[hydroxy(pyridin-4-yl)methylidene]-4,5-dioxopyrrolidin-2-yl]benzoate —— C25H16ClN3O5S
    methyl 4-[(3E)-1-(6-chloro-1,3-benzothiazol-2-yl)-3-[hydroxy(pyridin-4-yl)methylidene]-4,5-dioxopyrrolidin-2-yl]benzoate
    —— 1-[3-(2-Ethylphenyl)pyrrolidin-1-yl]-2,2,2-trifluoroethanone —— C14H16F3NO
    1-[3-(2-Ethylphenyl)pyrrolidin-1-yl]-2,2,2-trifluoroethanone
    —— methyl 2-{(3E)-2-(3-bromophenyl)-3-[hydroxy(4-methoxy-2-methylphenyl)methylidene]-4,5-dioxopyrrolidin-1-yl}-4-methyl-1,3-thiazole-5-carboxylate —— C25H21BrN2O6S
    methyl 2-{(3E)-2-(3-bromophenyl)-3-[hydroxy(4-methoxy-2-methylphenyl)methylidene]-4,5-dioxopyrrolidin-1-yl}-4-methyl-1,3-thiazole-5-carboxylate
    —— (4E)-5-(3-chlorophenyl)-4-[hydroxy(pyridin-4-yl)methylidene]-1-(2-morpholin-4-ylethyl)pyrrolidine-2,3-dione —— C22H22ClN3O4
    (4E)-5-(3-chlorophenyl)-4-[hydroxy(pyridin-4-yl)methylidene]-1-(2-morpholin-4-ylethyl)pyrrolidine-2,3-dione
    —— prop-2-enyl 2-[(3E)-2-(3-chlorophenyl)-3-[hydroxy(pyridin-4-yl)methylidene]-4,5-dioxopyrrolidin-1-yl]-4-methyl-1,3-thiazole-5-carboxylate —— C24H18ClN3O5S
    prop-2-enyl 2-[(3E)-2-(3-chlorophenyl)-3-[hydroxy(pyridin-4-yl)methylidene]-4,5-dioxopyrrolidin-1-yl]-4-methyl-1,3-thiazole-5-carboxylate
    —— (4E)-5-(3-chlorophenyl)-1-[5-[(4-chlorophenyl)methylsulfanyl]-1,3,4-thiadiazol-2-yl]-4-[hydroxy(pyridin-4-yl)methylidene]pyrrolidine-2,3-dione —— C25H16Cl2N4O3S2
    (4E)-5-(3-chlorophenyl)-1-[5-[(4-chlorophenyl)methylsulfanyl]-1,3,4-thiadiazol-2-yl]-4-[hydroxy(pyridin-4-yl)methylidene]pyrrolidine-2,3-dione
    —— (4E)-1-[2-(diethylamino)ethyl]-5-(3-ethoxy-4-prop-2-enoxyphenyl)-4-[hydroxy-(2-methyl-2,3-dihydro-1-benzofuran-5-yl)methylidene]pyrrolidine-2,3-dione —— C31H38N2O6
    (4E)-1-[2-(diethylamino)ethyl]-5-(3-ethoxy-4-prop-2-enoxyphenyl)-4-[hydroxy-(2-methyl-2,3-dihydro-1-benzofuran-5-yl)methylidene]pyrrolidine-2,3-dione
    —— (4E)-5-(3-chlorophenyl)-1-(4,6-dimethyl-1,3-benzothiazol-2-yl)-4-[hydroxy(pyridin-4-yl)methylidene]pyrrolidine-2,3-dione —— C25H18ClN3O3S
    (4E)-5-(3-chlorophenyl)-1-(4,6-dimethyl-1,3-benzothiazol-2-yl)-4-[hydroxy(pyridin-4-yl)methylidene]pyrrolidine-2,3-dione
    —— (E)-{1-[3-(dimethylammonio)propyl]-2-(4-methoxyphenyl)-4,5-dioxopyrrolidin-3-ylidene}[5-(ethoxycarbonyl)-2,4-dimethyl-1H-pyrrol-3-yl]methanolate —— C26H33N3O6
    (E)-{1-[3-(dimethylammonio)propyl]-2-(4-methoxyphenyl)-4,5-dioxopyrrolidin-3-ylidene}[5-(ethoxycarbonyl)-2,4-dimethyl-1H-pyrrol-3-yl]methanolate
    —— (4E)-5-(3-chlorophenyl)-1-[5-[(2,4-dichlorophenyl)methylsulfanyl]-1,3,4-thiadiazol-2-yl]-4-[hydroxy(pyridin-4-yl)methylidene]pyrrolidine-2,3-dione —— C25H15Cl3N4O3S2
    (4E)-5-(3-chlorophenyl)-1-[5-[(2,4-dichlorophenyl)methylsulfanyl]-1,3,4-thiadiazol-2-yl]-4-[hydroxy(pyridin-4-yl)methylidene]pyrrolidine-2,3-dione
    —— 5-(4-bromophenyl)-1-[2-(dimethylamino)ethyl]-3-hydroxy-4-[3-methyl-4-(prop-2-en-1-yloxy)benzoyl]-2,5-dihydro-1H-pyrrol-2-one —— C25H27BrN2O4
    5-(4-bromophenyl)-1-[2-(dimethylamino)ethyl]-3-hydroxy-4-[3-methyl-4-(prop-2-en-1-yloxy)benzoyl]-2,5-dihydro-1H-pyrrol-2-one
    —— methyl 4-[(3E)-1-(6-ethoxy-1,3-benzothiazol-2-yl)-3-[hydroxy(pyridin-4-yl)methylidene]-4,5-dioxopyrrolidin-2-yl]benzoate —— C27H21N3O6S
    methyl 4-[(3E)-1-(6-ethoxy-1,3-benzothiazol-2-yl)-3-[hydroxy(pyridin-4-yl)methylidene]-4,5-dioxopyrrolidin-2-yl]benzoate
    —— 3-hydroxy-1-(2-methoxyethyl)-5-(4-methylphenyl)-4-[4-(propan-2-yloxy)benzoyl]-2,5-dihydro-1H-pyrrol-2-one —— C24H27NO5
    3-hydroxy-1-(2-methoxyethyl)-5-(4-methylphenyl)-4-[4-(propan-2-yloxy)benzoyl]-2,5-dihydro-1H-pyrrol-2-one
    —— (4E)-4-[(3-chloro-4-methoxyphenyl)-hydroxymethylidene]-5-(2,3-dimethoxyphenyl)-1-[3-(dimethylamino)propyl]pyrrolidine-2,3-dione —— C25H29ClN2O6
    (4E)-4-[(3-chloro-4-methoxyphenyl)-hydroxymethylidene]-5-(2,3-dimethoxyphenyl)-1-[3-(dimethylamino)propyl]pyrrolidine-2,3-dione
    —— (4E)-1-(5-benzylsulfanyl-1,3,4-thiadiazol-2-yl)-5-(3-chlorophenyl)-4-[hydroxy(pyridin-4-yl)methylidene]pyrrolidine-2,3-dione —— C25H17ClN4O3S2
    (4E)-1-(5-benzylsulfanyl-1,3,4-thiadiazol-2-yl)-5-(3-chlorophenyl)-4-[hydroxy(pyridin-4-yl)methylidene]pyrrolidine-2,3-dione
    —— (E)-{1-[2-(diethylammonio)ethyl]-2-(4-hydroxyphenyl)-4,5-dioxopyrrolidin-3-ylidene}[3-methyl-4-(2-methylpropoxy)phenyl]methanolate —— C28H36N2O5
    (E)-{1-[2-(diethylammonio)ethyl]-2-(4-hydroxyphenyl)-4,5-dioxopyrrolidin-3-ylidene}[3-methyl-4-(2-methylpropoxy)phenyl]methanolate
    —— methyl 4-[(3E)-3-[hydroxy(pyridin-4-yl)methylidene]-1-(3-morpholin-4-ylpropyl)-4,5-dioxopyrrolidin-2-yl]benzoate —— C25H27N3O6
    methyl 4-[(3E)-3-[hydroxy(pyridin-4-yl)methylidene]-1-(3-morpholin-4-ylpropyl)-4,5-dioxopyrrolidin-2-yl]benzoate
    —— (4E)-4-[hydroxy-(2-methyl-4-propoxyphenyl)methylidene]-5-(3-methoxy-4-phenylmethoxyphenyl)-1-(2-morpholin-4-ylethyl)pyrrolidine-2,3-dione —— C35H40N2O7
    (4E)-4-[hydroxy-(2-methyl-4-propoxyphenyl)methylidene]-5-(3-methoxy-4-phenylmethoxyphenyl)-1-(2-morpholin-4-ylethyl)pyrrolidine-2,3-dione
    —— ethyl 2-[(3E)-3-[(3-ethoxyphenyl)-hydroxymethylidene]-2-(2-fluorophenyl)-4,5-dioxopyrrolidin-1-yl]-4-methyl-1,3-thiazole-5-carboxylate —— C26H23FN2O6S
    ethyl 2-[(3E)-3-[(3-ethoxyphenyl)-hydroxymethylidene]-2-(2-fluorophenyl)-4,5-dioxopyrrolidin-1-yl]-4-methyl-1,3-thiazole-5-carboxylate
    —— (E)-[2-(4-methoxycarbonylphenyl)-1-(2-morpholin-4-ium-4-ylethyl)-4,5-dioxopyrrolidin-3-ylidene]-pyridin-4-ylmethanolate —— C24H25N3O6
    (E)-[2-(4-methoxycarbonylphenyl)-1-(2-morpholin-4-ium-4-ylethyl)-4,5-dioxopyrrolidin-3-ylidene]-pyridin-4-ylmethanolate
    —— (4E)-1-(4,6-dimethyl-1,3-benzothiazol-2-yl)-5-[3-ethoxy-4-(3-methylbutoxy)phenyl]-4-[hydroxy-(4-methoxyphenyl)methylidene]pyrrolidine-2,3-dione —— C34H36N2O6S
    (4E)-1-(4,6-dimethyl-1,3-benzothiazol-2-yl)-5-[3-ethoxy-4-(3-methylbutoxy)phenyl]-4-[hydroxy-(4-methoxyphenyl)methylidene]pyrrolidine-2,3-dione
    —— (4E)-5-(4-tert-butylphenyl)-4-[(4-chlorophenyl)(hydroxy)methylidene]-1-(6-methyl-1,3-benzothiazol-2-yl)pyrrolidine-2,3-dione —— C29H25ClN2O3S
    (4E)-5-(4-tert-butylphenyl)-4-[(4-chlorophenyl)(hydroxy)methylidene]-1-(6-methyl-1,3-benzothiazol-2-yl)pyrrolidine-2,3-dione
    —— ethyl 2-[(3E)-2-(3-chlorophenyl)-3-[hydroxy(pyridin-4-yl)methylidene]-4,5-dioxopyrrolidin-1-yl]-4-methyl-1,3-thiazole-5-carboxylate —— C23H18ClN3O5S
    ethyl 2-[(3E)-2-(3-chlorophenyl)-3-[hydroxy(pyridin-4-yl)methylidene]-4,5-dioxopyrrolidin-1-yl]-4-methyl-1,3-thiazole-5-carboxylate
    —— ethyl 2-[(3E)-2-(4-butoxy-3-methoxyphenyl)-3-[(3-ethoxyphenyl)-hydroxymethylidene]-4,5-dioxopyrrolidin-1-yl]-4-methyl-1,3-thiazole-5-carboxylate —— C31H34N2O8S
    ethyl 2-[(3E)-2-(4-butoxy-3-methoxyphenyl)-3-[(3-ethoxyphenyl)-hydroxymethylidene]-4,5-dioxopyrrolidin-1-yl]-4-methyl-1,3-thiazole-5-carboxylate
    —— ethyl 2-[(3E)-2-(4-butoxyphenyl)-3-[(3-ethoxyphenyl)-hydroxymethylidene]-4,5-dioxopyrrolidin-1-yl]-4-methyl-1,3-thiazole-5-carboxylate —— C30H32N2O7S
    ethyl 2-[(3E)-2-(4-butoxyphenyl)-3-[(3-ethoxyphenyl)-hydroxymethylidene]-4,5-dioxopyrrolidin-1-yl]-4-methyl-1,3-thiazole-5-carboxylate
    —— ethyl 2-[(4E)-4-[(3-ethoxyphenyl)-hydroxymethylidene]-2,3-dioxo-5-(4-propoxyphenyl)pyrrolidin-1-yl]-4-methyl-1,3-thiazole-5-carboxylate —— C29H30N2O7S
    ethyl 2-[(4E)-4-[(3-ethoxyphenyl)-hydroxymethylidene]-2,3-dioxo-5-(4-propoxyphenyl)pyrrolidin-1-yl]-4-methyl-1,3-thiazole-5-carboxylate
    —— (4E)-4-[hydroxy-(4-methylphenyl)methylidene]-5-(3-methoxy-4-phenylmethoxyphenyl)-1-(2-morpholin-4-ylethyl)pyrrolidine-2,3-dione —— C32H34N2O6
    (4E)-4-[hydroxy-(4-methylphenyl)methylidene]-5-(3-methoxy-4-phenylmethoxyphenyl)-1-(2-morpholin-4-ylethyl)pyrrolidine-2,3-dione
    —— ethyl 2-[(4E)-4-[(3-ethoxyphenyl)-hydroxymethylidene]-2,3-dioxo-5-(4-pentoxyphenyl)pyrrolidin-1-yl]-4-methyl-1,3-thiazole-5-carboxylate —— C31H34N2O7S
    ethyl 2-[(4E)-4-[(3-ethoxyphenyl)-hydroxymethylidene]-2,3-dioxo-5-(4-pentoxyphenyl)pyrrolidin-1-yl]-4-methyl-1,3-thiazole-5-carboxylate
    —— 4-{[4-(benzyloxy)-2-methylphenyl]carbonyl}-1-[3-(dimethylamino)propyl]-3-hydroxy-5-(4-nitrophenyl)-1,5-dihydro-2H-pyrrol-2-one —— C30H31N3O6
    4-{[4-(benzyloxy)-2-methylphenyl]carbonyl}-1-[3-(dimethylamino)propyl]-3-hydroxy-5-(4-nitrophenyl)-1,5-dihydro-2H-pyrrol-2-one
    —— (4E)-4-[(4-ethoxy-2-methylphenyl)-hydroxymethylidene]-5-(3-methoxy-4-phenylmethoxyphenyl)-1-(2-morpholin-4-ylethyl)pyrrolidine-2,3-dione —— C34H38N2O7
    (4E)-4-[(4-ethoxy-2-methylphenyl)-hydroxymethylidene]-5-(3-methoxy-4-phenylmethoxyphenyl)-1-(2-morpholin-4-ylethyl)pyrrolidine-2,3-dione
    —— (4E)-4-[hydroxy-(4-propan-2-yloxyphenyl)methylidene]-5-(3-methoxy-4-phenylmethoxyphenyl)-1-(2-morpholin-4-ylethyl)pyrrolidine-2,3-dione —— C34H38N2O7
    (4E)-4-[hydroxy-(4-propan-2-yloxyphenyl)methylidene]-5-(3-methoxy-4-phenylmethoxyphenyl)-1-(2-morpholin-4-ylethyl)pyrrolidine-2,3-dione
    —— ethyl 2-[(3E)-3-[(3-ethoxyphenyl)-hydroxymethylidene]-2-[3-methoxy-4-(3-methylbutoxy)phenyl]-4,5-dioxopyrrolidin-1-yl]-4-methyl-1,3-thiazole-5-carboxylate —— C32H36N2O8S
    ethyl 2-[(3E)-3-[(3-ethoxyphenyl)-hydroxymethylidene]-2-[3-methoxy-4-(3-methylbutoxy)phenyl]-4,5-dioxopyrrolidin-1-yl]-4-methyl-1,3-thiazole-5-carboxylate
    —— (4E)-5-[3-ethoxy-4-(3-methylbutoxy)phenyl]-4-[hydroxy-(4-methoxyphenyl)methylidene]-1-(6-methoxy-1,3-benzothiazol-2-yl)pyrrolidine-2,3-dione —— C33H34N2O7S
    (4E)-5-[3-ethoxy-4-(3-methylbutoxy)phenyl]-4-[hydroxy-(4-methoxyphenyl)methylidene]-1-(6-methoxy-1,3-benzothiazol-2-yl)pyrrolidine-2,3-dione
    —— (E)-{1-[2-(dimethylammonio)ethyl]-2-(4-hydroxyphenyl)-4,5-dioxopyrrolidin-3-ylidene}[3-methyl-4-(2-methylpropoxy)phenyl]methanolate —— C26H32N2O5
    (E)-{1-[2-(dimethylammonio)ethyl]-2-(4-hydroxyphenyl)-4,5-dioxopyrrolidin-3-ylidene}[3-methyl-4-(2-methylpropoxy)phenyl]methanolate
    —— ethyl 2-[(4E)-4-[(3-ethoxyphenyl)-hydroxymethylidene]-2,3-dioxo-5-(4-prop-2-enoxyphenyl)pyrrolidin-1-yl]-4-methyl-1,3-thiazole-5-carboxylate —— C29H28N2O7S
    ethyl 2-[(4E)-4-[(3-ethoxyphenyl)-hydroxymethylidene]-2,3-dioxo-5-(4-prop-2-enoxyphenyl)pyrrolidin-1-yl]-4-methyl-1,3-thiazole-5-carboxylate
    —— methyl 4-[(3E)-3-[hydroxy(pyridin-4-yl)methylidene]-4,5-dioxo-1-(2-phenylethyl)pyrrolidin-2-yl]benzoate —— C26H22N2O5
    methyl 4-[(3E)-3-[hydroxy(pyridin-4-yl)methylidene]-4,5-dioxo-1-(2-phenylethyl)pyrrolidin-2-yl]benzoate
    —— (4E)-4-[hydroxy-(4-methoxy-2-methylphenyl)methylidene]-5-(3-methoxy-4-phenylmethoxyphenyl)-1-(2-morpholin-4-ylethyl)pyrrolidine-2,3-dione —— C33H36N2O7
    (4E)-4-[hydroxy-(4-methoxy-2-methylphenyl)methylidene]-5-(3-methoxy-4-phenylmethoxyphenyl)-1-(2-morpholin-4-ylethyl)pyrrolidine-2,3-dione
    —— (4E)-4-[2,3-dihydro-1,4-benzodioxin-6-yl(hydroxy)methylidene]-5-(3,4-dimethoxyphenyl)-1-(5-methyl-1,3,4-thiadiazol-2-yl)pyrrolidine-2,3-dione —— C24H21N3O7S
    (4E)-4-[2,3-dihydro-1,4-benzodioxin-6-yl(hydroxy)methylidene]-5-(3,4-dimethoxyphenyl)-1-(5-methyl-1,3,4-thiadiazol-2-yl)pyrrolidine-2,3-dione
    —— 3-hydroxy-4-(phenylcarbonyl)-5-[4-(propan-2-yl)phenyl]-1-(pyridin-2-yl)-1,5-dihydro-2H-pyrrol-2-one —— C25H22N2O3
    3-hydroxy-4-(phenylcarbonyl)-5-[4-(propan-2-yl)phenyl]-1-(pyridin-2-yl)-1,5-dihydro-2H-pyrrol-2-one
    —— (4E)-4-(hydroxy{4-[(3-methylbenzyl)oxy]phenyl}methylidene)-1-(3-methoxypropyl)-5-[4-(prop-2-en-1-yloxy)phenyl]pyrrolidine-2,3-dione —— C32H33NO6
    (4E)-4-(hydroxy{4-[(3-methylbenzyl)oxy]phenyl}methylidene)-1-(3-methoxypropyl)-5-[4-(prop-2-en-1-yloxy)phenyl]pyrrolidine-2,3-dione
    —— methyl 4-[(3E)-3-[hydroxy(pyridin-4-yl)methylidene]-1-(3-methoxypropyl)-4,5-dioxopyrrolidin-2-yl]benzoate —— C22H22N2O6
    methyl 4-[(3E)-3-[hydroxy(pyridin-4-yl)methylidene]-1-(3-methoxypropyl)-4,5-dioxopyrrolidin-2-yl]benzoate
    —— (4E)-4-[(4-ethoxyphenyl)-hydroxymethylidene]-5-(3-methoxy-4-phenylmethoxyphenyl)-1-(2-morpholin-4-ylethyl)pyrrolidine-2,3-dione —— C33H36N2O7
    (4E)-4-[(4-ethoxyphenyl)-hydroxymethylidene]-5-(3-methoxy-4-phenylmethoxyphenyl)-1-(2-morpholin-4-ylethyl)pyrrolidine-2,3-dione
    —— ethyl 2-[(3E)-3-[(3-ethoxyphenyl)-hydroxymethylidene]-2-(4-methoxycarbonylphenyl)-4,5-dioxopyrrolidin-1-yl]-4-methyl-1,3-thiazole-5-carboxylate —— C28H26N2O8S
    ethyl 2-[(3E)-3-[(3-ethoxyphenyl)-hydroxymethylidene]-2-(4-methoxycarbonylphenyl)-4,5-dioxopyrrolidin-1-yl]-4-methyl-1,3-thiazole-5-carboxylate