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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 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)-4-[(4-ethoxy-3-methylphenyl)-hydroxymethylidene]-5-(3-methoxy-4-prop-2-enoxyphenyl)-1-(2-morpholin-4-ylethyl)pyrrolidine-2,3-dione —— C30H36N2O7
    (4E)-4-[(4-ethoxy-3-methylphenyl)-hydroxymethylidene]-5-(3-methoxy-4-prop-2-enoxyphenyl)-1-(2-morpholin-4-ylethyl)pyrrolidine-2,3-dione
    —— (4E)-1-[5-[(4-chlorophenyl)methylsulfanyl]-1,3,4-thiadiazol-2-yl]-5-(2-fluorophenyl)-4-[hydroxy(pyridin-4-yl)methylidene]pyrrolidine-2,3-dione —— C25H16ClFN4O3S2
    (4E)-1-[5-[(4-chlorophenyl)methylsulfanyl]-1,3,4-thiadiazol-2-yl]-5-(2-fluorophenyl)-4-[hydroxy(pyridin-4-yl)methylidene]pyrrolidine-2,3-dione
    —— methyl 2-{(3E)-3-[hydroxy(3-methoxyphenyl)methylidene]-4,5-dioxo-2-phenylpyrrolidin-1-yl}-4-methyl-1,3-thiazole-5-carboxylate —— C24H20N2O6S
    methyl 2-{(3E)-3-[hydroxy(3-methoxyphenyl)methylidene]-4,5-dioxo-2-phenylpyrrolidin-1-yl}-4-methyl-1,3-thiazole-5-carboxylate
    —— (4E)-4-[hydroxy(pyridin-4-yl)methylidene]-5-(4-methoxyphenyl)-1-(2-phenylethyl)pyrrolidine-2,3-dione —— C25H22N2O4
    (4E)-4-[hydroxy(pyridin-4-yl)methylidene]-5-(4-methoxyphenyl)-1-(2-phenylethyl)pyrrolidine-2,3-dione
    —— ethyl 2-[(3E)-2-(2-fluorophenyl)-3-[hydroxy(pyridin-4-yl)methylidene]-4,5-dioxopyrrolidin-1-yl]-4-methyl-1,3-thiazole-5-carboxylate —— C23H18FN3O5S
    ethyl 2-[(3E)-2-(2-fluorophenyl)-3-[hydroxy(pyridin-4-yl)methylidene]-4,5-dioxopyrrolidin-1-yl]-4-methyl-1,3-thiazole-5-carboxylate
    —— (4E)-4-[hydroxy-(2-methyl-4-prop-2-enoxyphenyl)methylidene]-5-(3-methoxy-4-prop-2-enoxyphenyl)-1-(2-morpholin-4-ylethyl)pyrrolidine-2,3-dione —— C31H36N2O7
    (4E)-4-[hydroxy-(2-methyl-4-prop-2-enoxyphenyl)methylidene]-5-(3-methoxy-4-prop-2-enoxyphenyl)-1-(2-morpholin-4-ylethyl)pyrrolidine-2,3-dione
    —— 3-(4-Methylpyrimidin-2-yl)pyrrolidine-1-carboxylic acid —— C10H13N3O2
    3-(4-Methylpyrimidin-2-yl)pyrrolidine-1-carboxylic acid
    —— (4E)-1-benzyl-4-[2,3-dihydro-1,4-benzodioxin-6-yl(hydroxy)methylidene]-5-[3-(3-methylbutoxy)phenyl]pyrrolidine-2,3-dione —— C31H31NO6
    (4E)-1-benzyl-4-[2,3-dihydro-1,4-benzodioxin-6-yl(hydroxy)methylidene]-5-[3-(3-methylbutoxy)phenyl]pyrrolidine-2,3-dione
    —— (4E)-1-(5-acetyl-4-methyl-1,3-thiazol-2-yl)-5-(2-fluorophenyl)-4-[hydroxy(pyridin-4-yl)methylidene]pyrrolidine-2,3-dione —— C22H16FN3O4S
    (4E)-1-(5-acetyl-4-methyl-1,3-thiazol-2-yl)-5-(2-fluorophenyl)-4-[hydroxy(pyridin-4-yl)methylidene]pyrrolidine-2,3-dione
    —— (4E)-4-[(4-butoxy-3-methylphenyl)-hydroxymethylidene]-5-(3-methoxy-4-prop-2-enoxyphenyl)-1-(2-morpholin-4-ylethyl)pyrrolidine-2,3-dione —— C32H40N2O7
    (4E)-4-[(4-butoxy-3-methylphenyl)-hydroxymethylidene]-5-(3-methoxy-4-prop-2-enoxyphenyl)-1-(2-morpholin-4-ylethyl)pyrrolidine-2,3-dione
    —— (4E)-4-[hydroxy-[2-methyl-4-(2-methylpropoxy)phenyl]methylidene]-5-(3-methoxy-4-prop-2-enoxyphenyl)-1-(2-morpholin-4-ylethyl)pyrrolidine-2,3-dione —— C32H40N2O7
    (4E)-4-[hydroxy-[2-methyl-4-(2-methylpropoxy)phenyl]methylidene]-5-(3-methoxy-4-prop-2-enoxyphenyl)-1-(2-morpholin-4-ylethyl)pyrrolidine-2,3-dione
    —— (4E)-1-(4,6-dimethyl-1,3-benzothiazol-2-yl)-5-(2-fluorophenyl)-4-[hydroxy(pyridin-4-yl)methylidene]pyrrolidine-2,3-dione —— C25H18FN3O3S
    (4E)-1-(4,6-dimethyl-1,3-benzothiazol-2-yl)-5-(2-fluorophenyl)-4-[hydroxy(pyridin-4-yl)methylidene]pyrrolidine-2,3-dione
    —— (4E)-5-[3-ethoxy-4-(3-methylbutoxy)phenyl]-4-[hydroxy-(4-methoxyphenyl)methylidene]-1-(5-methyl-1,3,4-thiadiazol-2-yl)pyrrolidine-2,3-dione —— C28H31N3O6S
    (4E)-5-[3-ethoxy-4-(3-methylbutoxy)phenyl]-4-[hydroxy-(4-methoxyphenyl)methylidene]-1-(5-methyl-1,3,4-thiadiazol-2-yl)pyrrolidine-2,3-dione
    —— (4E)-1-(6-chloro-1,3-benzothiazol-2-yl)-5-(2-fluorophenyl)-4-[hydroxy(pyridin-4-yl)methylidene]pyrrolidine-2,3-dione —— C23H13ClFN3O3S
    (4E)-1-(6-chloro-1,3-benzothiazol-2-yl)-5-(2-fluorophenyl)-4-[hydroxy(pyridin-4-yl)methylidene]pyrrolidine-2,3-dione
    —— (4E)-1-[5-[(2,4-dichlorophenyl)methylsulfanyl]-1,3,4-thiadiazol-2-yl]-5-(2-fluorophenyl)-4-[hydroxy(pyridin-4-yl)methylidene]pyrrolidine-2,3-dione —— C25H15Cl2FN4O3S2
    (4E)-1-[5-[(2,4-dichlorophenyl)methylsulfanyl]-1,3,4-thiadiazol-2-yl]-5-(2-fluorophenyl)-4-[hydroxy(pyridin-4-yl)methylidene]pyrrolidine-2,3-dione
    —— (4E)-1-[5-[(2-chlorophenyl)methylsulfanyl]-1,3,4-thiadiazol-2-yl]-5-(2-fluorophenyl)-4-[hydroxy(pyridin-4-yl)methylidene]pyrrolidine-2,3-dione —— C25H16ClFN4O3S2
    (4E)-1-[5-[(2-chlorophenyl)methylsulfanyl]-1,3,4-thiadiazol-2-yl]-5-(2-fluorophenyl)-4-[hydroxy(pyridin-4-yl)methylidene]pyrrolidine-2,3-dione
    —— (4E)-5-(2-fluorophenyl)-4-[hydroxy(pyridin-4-yl)methylidene]-1-(3-methoxypropyl)pyrrolidine-2,3-dione —— C20H19FN2O4
    (4E)-5-(2-fluorophenyl)-4-[hydroxy(pyridin-4-yl)methylidene]-1-(3-methoxypropyl)pyrrolidine-2,3-dione
    —— (4E)-5-[3-ethoxy-4-(3-methylbutoxy)phenyl]-4-[hydroxy-(4-methoxyphenyl)methylidene]-1-(2-phenylethyl)pyrrolidine-2,3-dione —— C33H37NO6
    (4E)-5-[3-ethoxy-4-(3-methylbutoxy)phenyl]-4-[hydroxy-(4-methoxyphenyl)methylidene]-1-(2-phenylethyl)pyrrolidine-2,3-dione
    —— [Dithiocarboxy(pyrrolidin-1-yl)amino]methyl-pyrrolidin-1-ylcarbamodithioic acid —— C11H20N4S4
    [Dithiocarboxy(pyrrolidin-1-yl)amino]methyl-pyrrolidin-1-ylcarbamodithioic acid
    —— (4E)-1-(6-ethoxy-1,3-benzothiazol-2-yl)-4-[hydroxy(phenyl)methylidene]-5-(3-methoxyphenyl)pyrrolidine-2,3-dione —— C27H22N2O5S
    (4E)-1-(6-ethoxy-1,3-benzothiazol-2-yl)-4-[hydroxy(phenyl)methylidene]-5-(3-methoxyphenyl)pyrrolidine-2,3-dione
    —— (4E)-1-[5-[(4-chlorophenyl)methylsulfanyl]-1,3,4-thiadiazol-2-yl]-5-[3-ethoxy-4-(3-methylbutoxy)phenyl]-4-[hydroxy-(4-methoxyphenyl)methylidene]pyrrolidine-2,3-dione —— C34H34ClN3O6S2
    (4E)-1-[5-[(4-chlorophenyl)methylsulfanyl]-1,3,4-thiadiazol-2-yl]-5-[3-ethoxy-4-(3-methylbutoxy)phenyl]-4-[hydroxy-(4-methoxyphenyl)methylidene]pyrrolidine-2,3-dione
    —— methyl 2-[(3E)-2-(2-fluorophenyl)-3-[hydroxy(pyridin-4-yl)methylidene]-4,5-dioxopyrrolidin-1-yl]-4-methyl-1,3-thiazole-5-carboxylate —— C22H16FN3O5S
    methyl 2-[(3E)-2-(2-fluorophenyl)-3-[hydroxy(pyridin-4-yl)methylidene]-4,5-dioxopyrrolidin-1-yl]-4-methyl-1,3-thiazole-5-carboxylate
    —— (4E)-5-(2-fluorophenyl)-4-[hydroxy(pyridin-4-yl)methylidene]-1-(6-methoxy-1,3-benzothiazol-2-yl)pyrrolidine-2,3-dione —— C24H16FN3O4S
    (4E)-5-(2-fluorophenyl)-4-[hydroxy(pyridin-4-yl)methylidene]-1-(6-methoxy-1,3-benzothiazol-2-yl)pyrrolidine-2,3-dione
    —— (4E)-1-[5-[(2-chlorophenyl)methylsulfanyl]-1,3,4-thiadiazol-2-yl]-5-[3-ethoxy-4-(3-methylbutoxy)phenyl]-4-[hydroxy-(4-methoxyphenyl)methylidene]pyrrolidine-2,3-dione —— C34H34ClN3O6S2
    (4E)-1-[5-[(2-chlorophenyl)methylsulfanyl]-1,3,4-thiadiazol-2-yl]-5-[3-ethoxy-4-(3-methylbutoxy)phenyl]-4-[hydroxy-(4-methoxyphenyl)methylidene]pyrrolidine-2,3-dione
    —— (4E)-1-[5-[(2,4-dichlorophenyl)methylsulfanyl]-1,3,4-thiadiazol-2-yl]-5-[3-ethoxy-4-(3-methylbutoxy)phenyl]-4-[hydroxy-(4-methoxyphenyl)methylidene]pyrrolidine-2,3-dione —— C34H33Cl2N3O6S2
    (4E)-1-[5-[(2,4-dichlorophenyl)methylsulfanyl]-1,3,4-thiadiazol-2-yl]-5-[3-ethoxy-4-(3-methylbutoxy)phenyl]-4-[hydroxy-(4-methoxyphenyl)methylidene]pyrrolidine-2,3-dione
    —— (4E)-5-(2-fluorophenyl)-4-[hydroxy(pyridin-4-yl)methylidene]-1-[5-[(4-methylphenyl)methylsulfanyl]-1,3,4-thiadiazol-2-yl]pyrrolidine-2,3-dione —— C26H19FN4O3S2
    (4E)-5-(2-fluorophenyl)-4-[hydroxy(pyridin-4-yl)methylidene]-1-[5-[(4-methylphenyl)methylsulfanyl]-1,3,4-thiadiazol-2-yl]pyrrolidine-2,3-dione
    —— (4E)-5-[3-ethoxy-4-(3-methylbutoxy)phenyl]-1-[5-[(2-fluorophenyl)methylsulfanyl]-1,3,4-thiadiazol-2-yl]-4-[hydroxy-(4-methoxyphenyl)methylidene]pyrrolidine-2,3-dione —— C34H34FN3O6S2
    (4E)-5-[3-ethoxy-4-(3-methylbutoxy)phenyl]-1-[5-[(2-fluorophenyl)methylsulfanyl]-1,3,4-thiadiazol-2-yl]-4-[hydroxy-(4-methoxyphenyl)methylidene]pyrrolidine-2,3-dione
    —— (4E)-5-(2-fluorophenyl)-4-[hydroxy(pyridin-4-yl)methylidene]-1-(5-methyl-1,3,4-thiadiazol-2-yl)pyrrolidine-2,3-dione —— C19H13FN4O3S
    (4E)-5-(2-fluorophenyl)-4-[hydroxy(pyridin-4-yl)methylidene]-1-(5-methyl-1,3,4-thiadiazol-2-yl)pyrrolidine-2,3-dione
    —— 1-[3-(4-Aminobutylamino)propyl]pyrrolidin-2-one —— C11H23N3O
    1-[3-(4-Aminobutylamino)propyl]pyrrolidin-2-one
    —— (4E)-5-[3-ethoxy-4-(3-methylbutoxy)phenyl]-4-[hydroxy-(4-methoxyphenyl)methylidene]-1-[5-(naphthalen-1-ylmethylsulfanyl)-1,3,4-thiadiazol-2-yl]pyrrolidine-2,3-dione —— C38H37N3O6S2
    (4E)-5-[3-ethoxy-4-(3-methylbutoxy)phenyl]-4-[hydroxy-(4-methoxyphenyl)methylidene]-1-[5-(naphthalen-1-ylmethylsulfanyl)-1,3,4-thiadiazol-2-yl]pyrrolidine-2,3-dione
    —— (E)-2,3-dihydro-1,4-benzodioxin-6-yl[2-(3,4-dimethoxyphenyl)-4,5-dioxo-1-(pyridinium-3-ylmethyl)pyrrolidin-3-ylidene]methanolate —— C27H24N2O7
    (E)-2,3-dihydro-1,4-benzodioxin-6-yl[2-(3,4-dimethoxyphenyl)-4,5-dioxo-1-(pyridinium-3-ylmethyl)pyrrolidin-3-ylidene]methanolate
    —— ethyl 2-{3-[(4-chlorophenyl)carbonyl]-4-hydroxy-2-(4-methoxyphenyl)-5-oxo-2,5-dihydro-1H-pyrrol-1-yl}-4-methyl-1,3-thiazole-5-carboxylate —— C25H21ClN2O6S
    ethyl 2-{3-[(4-chlorophenyl)carbonyl]-4-hydroxy-2-(4-methoxyphenyl)-5-oxo-2,5-dihydro-1H-pyrrol-1-yl}-4-methyl-1,3-thiazole-5-carboxylate
    —— (4E)-5-[3-ethoxy-4-(3-methylbutoxy)phenyl]-4-[hydroxy-(4-methoxyphenyl)methylidene]-1-(pyridin-4-ylmethyl)pyrrolidine-2,3-dione —— C31H34N2O6
    (4E)-5-[3-ethoxy-4-(3-methylbutoxy)phenyl]-4-[hydroxy-(4-methoxyphenyl)methylidene]-1-(pyridin-4-ylmethyl)pyrrolidine-2,3-dione
    —— (4E)-5-(2-fluorophenyl)-1-[5-[(2-fluorophenyl)methylsulfanyl]-1,3,4-thiadiazol-2-yl]-4-[hydroxy(pyridin-4-yl)methylidene]pyrrolidine-2,3-dione —— C25H16F2N4O3S2
    (4E)-5-(2-fluorophenyl)-1-[5-[(2-fluorophenyl)methylsulfanyl]-1,3,4-thiadiazol-2-yl]-4-[hydroxy(pyridin-4-yl)methylidene]pyrrolidine-2,3-dione
    —— (4E)-5-[3-ethoxy-4-(3-methylbutoxy)phenyl]-4-[hydroxy-(4-methoxyphenyl)methylidene]-1-[5-[(4-methylphenyl)methylsulfanyl]-1,3,4-thiadiazol-2-yl]pyrrolidine-2,3-dione —— C35H37N3O6S2
    (4E)-5-[3-ethoxy-4-(3-methylbutoxy)phenyl]-4-[hydroxy-(4-methoxyphenyl)methylidene]-1-[5-[(4-methylphenyl)methylsulfanyl]-1,3,4-thiadiazol-2-yl]pyrrolidine-2,3-dione
    —— (4E)-1-[3-(diethylamino)propyl]-5-[3-ethoxy-4-(3-methylbutoxy)phenyl]-4-[hydroxy-(4-methoxyphenyl)methylidene]pyrrolidine-2,3-dione —— C32H44N2O6
    (4E)-1-[3-(diethylamino)propyl]-5-[3-ethoxy-4-(3-methylbutoxy)phenyl]-4-[hydroxy-(4-methoxyphenyl)methylidene]pyrrolidine-2,3-dione
    —— (4E)-1-benzyl-5-[3-ethoxy-4-(3-methylbutoxy)phenyl]-4-[hydroxy-(4-methoxyphenyl)methylidene]pyrrolidine-2,3-dione —— C32H35NO6
    (4E)-1-benzyl-5-[3-ethoxy-4-(3-methylbutoxy)phenyl]-4-[hydroxy-(4-methoxyphenyl)methylidene]pyrrolidine-2,3-dione
    —— prop-2-enyl 2-[(3E)-2-(2-fluorophenyl)-3-[hydroxy(pyridin-4-yl)methylidene]-4,5-dioxopyrrolidin-1-yl]-4-methyl-1,3-thiazole-5-carboxylate —— C24H18FN3O5S
    prop-2-enyl 2-[(3E)-2-(2-fluorophenyl)-3-[hydroxy(pyridin-4-yl)methylidene]-4,5-dioxopyrrolidin-1-yl]-4-methyl-1,3-thiazole-5-carboxylate
    —— (4E)-4-[(4-chlorophenyl)(hydroxy)methylidene]-1-(6-fluoro-1,3-benzothiazol-2-yl)-5-(4-methylphenyl)pyrrolidine-2,3-dione —— C25H16ClFN2O3S
    (4E)-4-[(4-chlorophenyl)(hydroxy)methylidene]-1-(6-fluoro-1,3-benzothiazol-2-yl)-5-(4-methylphenyl)pyrrolidine-2,3-dione
    —— (4E)-5-[3-ethoxy-4-(3-methylbutoxy)phenyl]-4-[hydroxy-(4-methoxyphenyl)methylidene]-1-(3-imidazol-1-ylpropyl)pyrrolidine-2,3-dione —— C31H37N3O6
    (4E)-5-[3-ethoxy-4-(3-methylbutoxy)phenyl]-4-[hydroxy-(4-methoxyphenyl)methylidene]-1-(3-imidazol-1-ylpropyl)pyrrolidine-2,3-dione
    —— 4-(4-Chlorobenzoyl)-1-[2-(diethylamino)ethyl]-3-hydroxy-5-(4-methoxyphenyl)-2,5-dihydro-1H-pyrrol-2-one —— C24H27ClN2O4
    4-(4-Chlorobenzoyl)-1-[2-(diethylamino)ethyl]-3-hydroxy-5-(4-methoxyphenyl)-2,5-dihydro-1H-pyrrol-2-one
    —— ethyl 2-[(3E)-3-[(3-ethoxyphenyl)-hydroxymethylidene]-2-(3-methoxyphenyl)-4,5-dioxopyrrolidin-1-yl]-4-methyl-1,3-thiazole-5-carboxylate —— C27H26N2O7S
    ethyl 2-[(3E)-3-[(3-ethoxyphenyl)-hydroxymethylidene]-2-(3-methoxyphenyl)-4,5-dioxopyrrolidin-1-yl]-4-methyl-1,3-thiazole-5-carboxylate
    —— ethyl 2-[(3E)-2-(4-tert-butylphenyl)-3-[(3-ethoxyphenyl)-hydroxymethylidene]-4,5-dioxopyrrolidin-1-yl]-4-methyl-1,3-thiazole-5-carboxylate —— C30H32N2O6S
    ethyl 2-[(3E)-2-(4-tert-butylphenyl)-3-[(3-ethoxyphenyl)-hydroxymethylidene]-4,5-dioxopyrrolidin-1-yl]-4-methyl-1,3-thiazole-5-carboxylate
    —— ethyl 2-[(3E)-2-(4-ethoxy-3-methoxyphenyl)-3-[(3-ethoxyphenyl)-hydroxymethylidene]-4,5-dioxopyrrolidin-1-yl]-4-methyl-1,3-thiazole-5-carboxylate —— C29H30N2O8S
    ethyl 2-[(3E)-2-(4-ethoxy-3-methoxyphenyl)-3-[(3-ethoxyphenyl)-hydroxymethylidene]-4,5-dioxopyrrolidin-1-yl]-4-methyl-1,3-thiazole-5-carboxylate
    —— ethyl 2-[(3E)-2-(3,4-dimethoxyphenyl)-3-[(3-ethoxyphenyl)-hydroxymethylidene]-4,5-dioxopyrrolidin-1-yl]-4-methyl-1,3-thiazole-5-carboxylate —— C28H28N2O8S
    ethyl 2-[(3E)-2-(3,4-dimethoxyphenyl)-3-[(3-ethoxyphenyl)-hydroxymethylidene]-4,5-dioxopyrrolidin-1-yl]-4-methyl-1,3-thiazole-5-carboxylate
    —— ethyl 2-[(3E)-2-(3-ethoxy-4-hydroxyphenyl)-3-[(3-ethoxyphenyl)-hydroxymethylidene]-4,5-dioxopyrrolidin-1-yl]-4-methyl-1,3-thiazole-5-carboxylate —— C28H28N2O8S
    ethyl 2-[(3E)-2-(3-ethoxy-4-hydroxyphenyl)-3-[(3-ethoxyphenyl)-hydroxymethylidene]-4,5-dioxopyrrolidin-1-yl]-4-methyl-1,3-thiazole-5-carboxylate
    —— ethyl 2-[(3E)-2-(4-ethoxyphenyl)-3-[(3-ethoxyphenyl)-hydroxymethylidene]-4,5-dioxopyrrolidin-1-yl]-4-methyl-1,3-thiazole-5-carboxylate —— C28H28N2O7S
    ethyl 2-[(3E)-2-(4-ethoxyphenyl)-3-[(3-ethoxyphenyl)-hydroxymethylidene]-4,5-dioxopyrrolidin-1-yl]-4-methyl-1,3-thiazole-5-carboxylate
    —— (4E)-5-[3-ethoxy-4-(3-methylbutoxy)phenyl]-1-[5-[(4-fluorophenyl)methylsulfanyl]-1,3,4-thiadiazol-2-yl]-4-[hydroxy-(4-methoxyphenyl)methylidene]pyrrolidine-2,3-dione —— C34H34FN3O6S2
    (4E)-5-[3-ethoxy-4-(3-methylbutoxy)phenyl]-1-[5-[(4-fluorophenyl)methylsulfanyl]-1,3,4-thiadiazol-2-yl]-4-[hydroxy-(4-methoxyphenyl)methylidene]pyrrolidine-2,3-dione
    —— (4E)-1-(5-benzylsulfanyl-1,3,4-thiadiazol-2-yl)-5-[3-ethoxy-4-(3-methylbutoxy)phenyl]-4-[hydroxy-(4-methoxyphenyl)methylidene]pyrrolidine-2,3-dione —— C34H35N3O6S2
    (4E)-1-(5-benzylsulfanyl-1,3,4-thiadiazol-2-yl)-5-[3-ethoxy-4-(3-methylbutoxy)phenyl]-4-[hydroxy-(4-methoxyphenyl)methylidene]pyrrolidine-2,3-dione
    —— 5-(3,4-dichlorophenyl)-3-hydroxy-1-(2-methoxyethyl)-4-(4-methylbenzoyl)-2,5-dihydro-1H-pyrrol-2-one —— C21H19Cl2NO4
    5-(3,4-dichlorophenyl)-3-hydroxy-1-(2-methoxyethyl)-4-(4-methylbenzoyl)-2,5-dihydro-1H-pyrrol-2-one