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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
    —— 5-(4-Butoxy-3-ethoxyphenyl)-4-[(4-ethoxyphenyl)-hydroxymethylidene]-1-[5-[(4-methylphenyl)methylsulfanyl]-1,3,4-thiadiazol-2-yl]pyrrolidine-2,3-dione —— C35H37N3O6S2
    5-(4-Butoxy-3-ethoxyphenyl)-4-[(4-ethoxyphenyl)-hydroxymethylidene]-1-[5-[(4-methylphenyl)methylsulfanyl]-1,3,4-thiadiazol-2-yl]pyrrolidine-2,3-dione
    —— 1-(5-Benzylsulfanyl-1,3,4-thiadiazol-2-yl)-5-(4-butoxy-3-ethoxyphenyl)-4-[(4-ethoxyphenyl)-hydroxymethylidene]pyrrolidine-2,3-dione —— C34H35N3O6S2
    1-(5-Benzylsulfanyl-1,3,4-thiadiazol-2-yl)-5-(4-butoxy-3-ethoxyphenyl)-4-[(4-ethoxyphenyl)-hydroxymethylidene]pyrrolidine-2,3-dione
    —— 5-(4-Butoxy-3-ethoxyphenyl)-4-[(4-ethoxyphenyl)-hydroxymethylidene]-1-(furan-2-ylmethyl)pyrrolidine-2,3-dione —— C30H33NO7
    5-(4-Butoxy-3-ethoxyphenyl)-4-[(4-ethoxyphenyl)-hydroxymethylidene]-1-(furan-2-ylmethyl)pyrrolidine-2,3-dione
    —— 5-(3-Ethoxy-4-pentoxyphenyl)-4-[(4-ethoxyphenyl)-hydroxymethylidene]-1-(5-methyl-1,3,4-thiadiazol-2-yl)pyrrolidine-2,3-dione —— C29H33N3O6S
    5-(3-Ethoxy-4-pentoxyphenyl)-4-[(4-ethoxyphenyl)-hydroxymethylidene]-1-(5-methyl-1,3,4-thiadiazol-2-yl)pyrrolidine-2,3-dione
    —— 1-[2-(Dimethylamino)ethyl]-5-(3-ethoxy-4-pentoxyphenyl)-4-[(4-ethoxyphenyl)-hydroxymethylidene]pyrrolidine-2,3-dione —— C30H40N2O6
    1-[2-(Dimethylamino)ethyl]-5-(3-ethoxy-4-pentoxyphenyl)-4-[(4-ethoxyphenyl)-hydroxymethylidene]pyrrolidine-2,3-dione
    —— 1-(6-Chloro-1,3-benzothiazol-2-yl)-5-(4-ethoxyphenyl)-4-[hydroxy-(4-methoxyphenyl)methylidene]pyrrolidine-2,3-dione —— C27H21ClN2O5S
    1-(6-Chloro-1,3-benzothiazol-2-yl)-5-(4-ethoxyphenyl)-4-[hydroxy-(4-methoxyphenyl)methylidene]pyrrolidine-2,3-dione
    —— 5-(4-Butoxy-3-ethoxyphenyl)-4-[(4-ethoxyphenyl)-hydroxymethylidene]-1-(3-imidazol-1-ylpropyl)pyrrolidine-2,3-dione —— C31H37N3O6
    5-(4-Butoxy-3-ethoxyphenyl)-4-[(4-ethoxyphenyl)-hydroxymethylidene]-1-(3-imidazol-1-ylpropyl)pyrrolidine-2,3-dione
    —— 5-(4-Butoxy-3-ethoxyphenyl)-4-[(4-ethoxyphenyl)-hydroxymethylidene]-1-[5-(naphthalen-1-ylmethylsulfanyl)-1,3,4-thiadiazol-2-yl]pyrrolidine-2,3-dione —— C38H37N3O6S2
    5-(4-Butoxy-3-ethoxyphenyl)-4-[(4-ethoxyphenyl)-hydroxymethylidene]-1-[5-(naphthalen-1-ylmethylsulfanyl)-1,3,4-thiadiazol-2-yl]pyrrolidine-2,3-dione
    —— Prop-2-enyl 2-[2-(3-ethoxy-4-pentoxyphenyl)-3-[(4-ethoxyphenyl)-hydroxymethylidene]-4,5-dioxopyrrolidin-1-yl]-4-methyl-1,3-thiazole-5-carboxylate —— C34H38N2O8S
    Prop-2-enyl 2-[2-(3-ethoxy-4-pentoxyphenyl)-3-[(4-ethoxyphenyl)-hydroxymethylidene]-4,5-dioxopyrrolidin-1-yl]-4-methyl-1,3-thiazole-5-carboxylate
    —— 5-(4-Butoxy-3-ethoxyphenyl)-4-[(4-ethoxyphenyl)-hydroxymethylidene]-1-(1,3-thiazol-2-yl)pyrrolidine-2,3-dione —— C28H30N2O6S
    5-(4-Butoxy-3-ethoxyphenyl)-4-[(4-ethoxyphenyl)-hydroxymethylidene]-1-(1,3-thiazol-2-yl)pyrrolidine-2,3-dione
    —— 5-(3-Ethoxy-4-pentoxyphenyl)-4-[(4-ethoxyphenyl)-hydroxymethylidene]-1-(3-methoxypropyl)pyrrolidine-2,3-dione —— C30H39NO7
    5-(3-Ethoxy-4-pentoxyphenyl)-4-[(4-ethoxyphenyl)-hydroxymethylidene]-1-(3-methoxypropyl)pyrrolidine-2,3-dione
    —— 5-(4-Butoxy-3-ethoxyphenyl)-1-(6-ethoxy-1,3-benzothiazol-2-yl)-4-[(4-ethoxyphenyl)-hydroxymethylidene]pyrrolidine-2,3-dione —— C34H36N2O7S
    5-(4-Butoxy-3-ethoxyphenyl)-1-(6-ethoxy-1,3-benzothiazol-2-yl)-4-[(4-ethoxyphenyl)-hydroxymethylidene]pyrrolidine-2,3-dione
    —— 5-(3-Ethoxy-4-pentoxyphenyl)-4-[(4-ethoxyphenyl)-hydroxymethylidene]-1-(3-morpholin-4-ylpropyl)pyrrolidine-2,3-dione —— C33H44N2O7
    5-(3-Ethoxy-4-pentoxyphenyl)-4-[(4-ethoxyphenyl)-hydroxymethylidene]-1-(3-morpholin-4-ylpropyl)pyrrolidine-2,3-dione
    —— 5-(4-Butoxy-3-ethoxyphenyl)-1-(4,6-dimethyl-1,3-benzothiazol-2-yl)-4-[(4-ethoxyphenyl)-hydroxymethylidene]pyrrolidine-2,3-dione —— C34H36N2O6S
    5-(4-Butoxy-3-ethoxyphenyl)-1-(4,6-dimethyl-1,3-benzothiazol-2-yl)-4-[(4-ethoxyphenyl)-hydroxymethylidene]pyrrolidine-2,3-dione
    —— 5-(4-Butoxy-3-ethoxyphenyl)-4-[(4-ethoxyphenyl)-hydroxymethylidene]-1-(3-methoxypropyl)pyrrolidine-2,3-dione —— C29H37NO7
    5-(4-Butoxy-3-ethoxyphenyl)-4-[(4-ethoxyphenyl)-hydroxymethylidene]-1-(3-methoxypropyl)pyrrolidine-2,3-dione
    —— 5-(4-Butoxy-3-ethoxyphenyl)-1-[3-(diethylamino)propyl]-4-[(4-ethoxyphenyl)-hydroxymethylidene]pyrrolidine-2,3-dione —— C32H44N2O6
    5-(4-Butoxy-3-ethoxyphenyl)-1-[3-(diethylamino)propyl]-4-[(4-ethoxyphenyl)-hydroxymethylidene]pyrrolidine-2,3-dione
    —— 1-[2-(Diethylamino)ethyl]-5-(3-ethoxy-4-pentoxyphenyl)-4-[(4-ethoxyphenyl)-hydroxymethylidene]pyrrolidine-2,3-dione —— C32H44N2O6
    1-[2-(Diethylamino)ethyl]-5-(3-ethoxy-4-pentoxyphenyl)-4-[(4-ethoxyphenyl)-hydroxymethylidene]pyrrolidine-2,3-dione
    —— 5-(4-Butoxy-3-ethoxyphenyl)-1-[5-[(4-chlorophenyl)methylsulfanyl]-1,3,4-thiadiazol-2-yl]-4-[(4-ethoxyphenyl)-hydroxymethylidene]pyrrolidine-2,3-dione —— C34H34ClN3O6S2
    5-(4-Butoxy-3-ethoxyphenyl)-1-[5-[(4-chlorophenyl)methylsulfanyl]-1,3,4-thiadiazol-2-yl]-4-[(4-ethoxyphenyl)-hydroxymethylidene]pyrrolidine-2,3-dione
    —— 5-(4-Butoxy-3-ethoxyphenyl)-1-[5-[(2-chlorophenyl)methylsulfanyl]-1,3,4-thiadiazol-2-yl]-4-[(4-ethoxyphenyl)-hydroxymethylidene]pyrrolidine-2,3-dione —— C34H34ClN3O6S2
    5-(4-Butoxy-3-ethoxyphenyl)-1-[5-[(2-chlorophenyl)methylsulfanyl]-1,3,4-thiadiazol-2-yl]-4-[(4-ethoxyphenyl)-hydroxymethylidene]pyrrolidine-2,3-dione
    —— 5-(3-Ethoxy-4-pentoxyphenyl)-4-[(4-ethoxyphenyl)-hydroxymethylidene]-1-(2-methoxyethyl)pyrrolidine-2,3-dione —— C29H37NO7
    5-(3-Ethoxy-4-pentoxyphenyl)-4-[(4-ethoxyphenyl)-hydroxymethylidene]-1-(2-methoxyethyl)pyrrolidine-2,3-dione
    —— 5-(4-Butoxy-3-ethoxyphenyl)-1-(6-chloro-1,3-benzothiazol-2-yl)-4-[(4-ethoxyphenyl)-hydroxymethylidene]pyrrolidine-2,3-dione —— C32H31ClN2O6S
    5-(4-Butoxy-3-ethoxyphenyl)-1-(6-chloro-1,3-benzothiazol-2-yl)-4-[(4-ethoxyphenyl)-hydroxymethylidene]pyrrolidine-2,3-dione
    —— 5-(4-Butoxy-3-ethoxyphenyl)-4-[(4-ethoxyphenyl)-hydroxymethylidene]-1-(2-phenylethyl)pyrrolidine-2,3-dione —— C33H37NO6
    5-(4-Butoxy-3-ethoxyphenyl)-4-[(4-ethoxyphenyl)-hydroxymethylidene]-1-(2-phenylethyl)pyrrolidine-2,3-dione
    —— 1-[5-[(2,4-Dichlorophenyl)methylsulfanyl]-1,3,4-thiadiazol-2-yl]-5-(3-ethoxy-4-pentoxyphenyl)-4-[(4-ethoxyphenyl)-hydroxymethylidene]pyrrolidine-2,3-dione —— C35H35Cl2N3O6S2
    1-[5-[(2,4-Dichlorophenyl)methylsulfanyl]-1,3,4-thiadiazol-2-yl]-5-(3-ethoxy-4-pentoxyphenyl)-4-[(4-ethoxyphenyl)-hydroxymethylidene]pyrrolidine-2,3-dione
    —— 1-[3-(Diethylamino)propyl]-4-[(4-ethoxyphenyl)-hydroxymethylidene]-5-(3-ethoxy-4-phenylmethoxyphenyl)pyrrolidine-2,3-dione —— C35H42N2O6
    1-[3-(Diethylamino)propyl]-4-[(4-ethoxyphenyl)-hydroxymethylidene]-5-(3-ethoxy-4-phenylmethoxyphenyl)pyrrolidine-2,3-dione
    —— 5-(4-Butoxy-3-ethoxyphenyl)-4-[(4-ethoxyphenyl)-hydroxymethylidene]-1-(pyridin-3-ylmethyl)pyrrolidine-2,3-dione —— C31H34N2O6
    5-(4-Butoxy-3-ethoxyphenyl)-4-[(4-ethoxyphenyl)-hydroxymethylidene]-1-(pyridin-3-ylmethyl)pyrrolidine-2,3-dione
    —— 1-(6-Ethoxy-1,3-benzothiazol-2-yl)-4-[(4-ethoxyphenyl)-hydroxymethylidene]-5-(3-ethoxy-4-phenylmethoxyphenyl)pyrrolidine-2,3-dione —— C37H34N2O7S
    1-(6-Ethoxy-1,3-benzothiazol-2-yl)-4-[(4-ethoxyphenyl)-hydroxymethylidene]-5-(3-ethoxy-4-phenylmethoxyphenyl)pyrrolidine-2,3-dione
    —— 5-(4-Butoxy-3-ethoxyphenyl)-1-[2-(diethylamino)ethyl]-4-[(4-ethoxyphenyl)-hydroxymethylidene]pyrrolidine-2,3-dione —— C31H42N2O6
    5-(4-Butoxy-3-ethoxyphenyl)-1-[2-(diethylamino)ethyl]-4-[(4-ethoxyphenyl)-hydroxymethylidene]pyrrolidine-2,3-dione
    —— 1-(6-Chloro-1,3-benzothiazol-2-yl)-4-[(4-ethoxyphenyl)-hydroxymethylidene]-5-(3-ethoxy-4-phenylmethoxyphenyl)pyrrolidine-2,3-dione —— C35H29ClN2O6S
    1-(6-Chloro-1,3-benzothiazol-2-yl)-4-[(4-ethoxyphenyl)-hydroxymethylidene]-5-(3-ethoxy-4-phenylmethoxyphenyl)pyrrolidine-2,3-dione
    —— 4-[(4-Ethoxyphenyl)-hydroxymethylidene]-5-(3-ethoxy-4-phenylmethoxyphenyl)-1-(6-fluoro-1,3-benzothiazol-2-yl)pyrrolidine-2,3-dione —— C35H29FN2O6S
    4-[(4-Ethoxyphenyl)-hydroxymethylidene]-5-(3-ethoxy-4-phenylmethoxyphenyl)-1-(6-fluoro-1,3-benzothiazol-2-yl)pyrrolidine-2,3-dione
    —— 5-(4-Butoxy-3-ethoxyphenyl)-4-[(4-ethoxyphenyl)-hydroxymethylidene]-1-(3-morpholin-4-ylpropyl)pyrrolidine-2,3-dione —— C32H42N2O7
    5-(4-Butoxy-3-ethoxyphenyl)-4-[(4-ethoxyphenyl)-hydroxymethylidene]-1-(3-morpholin-4-ylpropyl)pyrrolidine-2,3-dione
    —— 5-(4-Butoxy-3-ethoxyphenyl)-1-[3-(dimethylamino)propyl]-4-[(4-ethoxyphenyl)-hydroxymethylidene]pyrrolidine-2,3-dione —— C30H40N2O6
    5-(4-Butoxy-3-ethoxyphenyl)-1-[3-(dimethylamino)propyl]-4-[(4-ethoxyphenyl)-hydroxymethylidene]pyrrolidine-2,3-dione
    —— 5-(4-Butoxy-3-ethoxyphenyl)-4-[(4-ethoxyphenyl)-hydroxymethylidene]-1-(2-methoxyethyl)pyrrolidine-2,3-dione —— C28H35NO7
    5-(4-Butoxy-3-ethoxyphenyl)-4-[(4-ethoxyphenyl)-hydroxymethylidene]-1-(2-methoxyethyl)pyrrolidine-2,3-dione
    —— Prop-2-enyl 2-[2-(4-butoxy-3-ethoxyphenyl)-3-[(4-ethoxyphenyl)-hydroxymethylidene]-4,5-dioxopyrrolidin-1-yl]-4-methyl-1,3-thiazole-5-carboxylate —— C33H36N2O8S
    Prop-2-enyl 2-[2-(4-butoxy-3-ethoxyphenyl)-3-[(4-ethoxyphenyl)-hydroxymethylidene]-4,5-dioxopyrrolidin-1-yl]-4-methyl-1,3-thiazole-5-carboxylate
    —— 1-(4,6-Dimethyl-1,3-benzothiazol-2-yl)-4-[(4-ethoxyphenyl)-hydroxymethylidene]-5-(3-ethoxy-4-phenylmethoxyphenyl)pyrrolidine-2,3-dione —— C37H34N2O6S
    1-(4,6-Dimethyl-1,3-benzothiazol-2-yl)-4-[(4-ethoxyphenyl)-hydroxymethylidene]-5-(3-ethoxy-4-phenylmethoxyphenyl)pyrrolidine-2,3-dione
    —— 4-[(4-Ethoxyphenyl)-hydroxymethylidene]-5-(3-ethoxy-4-phenylmethoxyphenyl)-1-(5-methyl-1,3,4-thiadiazol-2-yl)pyrrolidine-2,3-dione —— C31H29N3O6S
    4-[(4-Ethoxyphenyl)-hydroxymethylidene]-5-(3-ethoxy-4-phenylmethoxyphenyl)-1-(5-methyl-1,3,4-thiadiazol-2-yl)pyrrolidine-2,3-dione
    —— 5-(4-Butoxy-3-ethoxyphenyl)-1-[2-(dimethylamino)ethyl]-4-[(4-ethoxyphenyl)-hydroxymethylidene]pyrrolidine-2,3-dione —— C29H38N2O6
    5-(4-Butoxy-3-ethoxyphenyl)-1-[2-(dimethylamino)ethyl]-4-[(4-ethoxyphenyl)-hydroxymethylidene]pyrrolidine-2,3-dione
    —— 5-(4-Butoxy-3-ethoxyphenyl)-4-[(4-ethoxyphenyl)-hydroxymethylidene]-1-(2-morpholin-4-ylethyl)pyrrolidine-2,3-dione —— C31H40N2O7
    5-(4-Butoxy-3-ethoxyphenyl)-4-[(4-ethoxyphenyl)-hydroxymethylidene]-1-(2-morpholin-4-ylethyl)pyrrolidine-2,3-dione
    —— Methyl 2-[2-(4-butoxy-3-ethoxyphenyl)-3-[(4-ethoxyphenyl)-hydroxymethylidene]-4,5-dioxopyrrolidin-1-yl]-4-methyl-1,3-thiazole-5-carboxylate —— C31H34N2O8S
    Methyl 2-[2-(4-butoxy-3-ethoxyphenyl)-3-[(4-ethoxyphenyl)-hydroxymethylidene]-4,5-dioxopyrrolidin-1-yl]-4-methyl-1,3-thiazole-5-carboxylate
    —— 4-[(4-Ethoxyphenyl)-hydroxymethylidene]-5-(3-ethoxy-4-phenylmethoxyphenyl)-1-(3-imidazol-1-ylpropyl)pyrrolidine-2,3-dione —— C34H35N3O6
    4-[(4-Ethoxyphenyl)-hydroxymethylidene]-5-(3-ethoxy-4-phenylmethoxyphenyl)-1-(3-imidazol-1-ylpropyl)pyrrolidine-2,3-dione
    —— 1-[5-[(2,4-Dichlorophenyl)methylsulfanyl]-1,3,4-thiadiazol-2-yl]-4-[(4-ethoxyphenyl)-hydroxymethylidene]-5-(3-ethoxy-4-phenylmethoxyphenyl)pyrrolidine-2,3-dione —— C37H31Cl2N3O6S2
    1-[5-[(2,4-Dichlorophenyl)methylsulfanyl]-1,3,4-thiadiazol-2-yl]-4-[(4-ethoxyphenyl)-hydroxymethylidene]-5-(3-ethoxy-4-phenylmethoxyphenyl)pyrrolidine-2,3-dione
    —— 1-(5-Acetyl-4-methyl-1,3-thiazol-2-yl)-4-[(4-ethoxyphenyl)-hydroxymethylidene]-5-(3-ethoxy-4-phenylmethoxyphenyl)pyrrolidine-2,3-dione —— C34H32N2O7S
    1-(5-Acetyl-4-methyl-1,3-thiazol-2-yl)-4-[(4-ethoxyphenyl)-hydroxymethylidene]-5-(3-ethoxy-4-phenylmethoxyphenyl)pyrrolidine-2,3-dione
    —— 4-[(4-Ethoxyphenyl)-hydroxymethylidene]-5-(3-ethoxy-4-phenylmethoxyphenyl)-1-[5-[(2-fluorophenyl)methylsulfanyl]-1,3,4-thiadiazol-2-yl]pyrrolidine-2,3-dione —— C37H32FN3O6S2
    4-[(4-Ethoxyphenyl)-hydroxymethylidene]-5-(3-ethoxy-4-phenylmethoxyphenyl)-1-[5-[(2-fluorophenyl)methylsulfanyl]-1,3,4-thiadiazol-2-yl]pyrrolidine-2,3-dione
    —— 4-[(4-Ethoxyphenyl)-hydroxymethylidene]-5-(3-ethoxy-4-phenylmethoxyphenyl)-1-[5-(naphthalen-1-ylmethylsulfanyl)-1,3,4-thiadiazol-2-yl]pyrrolidine-2,3-dione —— C41H35N3O6S2
    4-[(4-Ethoxyphenyl)-hydroxymethylidene]-5-(3-ethoxy-4-phenylmethoxyphenyl)-1-[5-(naphthalen-1-ylmethylsulfanyl)-1,3,4-thiadiazol-2-yl]pyrrolidine-2,3-dione
    —— 4-[(4-Ethoxyphenyl)-hydroxymethylidene]-5-(3-ethoxy-4-phenylmethoxyphenyl)-1-[5-[(4-fluorophenyl)methylsulfanyl]-1,3,4-thiadiazol-2-yl]pyrrolidine-2,3-dione —— C37H32FN3O6S2
    4-[(4-Ethoxyphenyl)-hydroxymethylidene]-5-(3-ethoxy-4-phenylmethoxyphenyl)-1-[5-[(4-fluorophenyl)methylsulfanyl]-1,3,4-thiadiazol-2-yl]pyrrolidine-2,3-dione
    —— 1-(5-Benzylsulfanyl-1,3,4-thiadiazol-2-yl)-4-[(4-ethoxyphenyl)-hydroxymethylidene]-5-(3-ethoxy-4-phenylmethoxyphenyl)pyrrolidine-2,3-dione —— C37H33N3O6S2
    1-(5-Benzylsulfanyl-1,3,4-thiadiazol-2-yl)-4-[(4-ethoxyphenyl)-hydroxymethylidene]-5-(3-ethoxy-4-phenylmethoxyphenyl)pyrrolidine-2,3-dione
    —— 4-[(4-Ethoxyphenyl)-hydroxymethylidene]-5-(3-ethoxy-4-phenylmethoxyphenyl)-1-(1,3-thiazol-2-yl)pyrrolidine-2,3-dione —— C31H28N2O6S
    4-[(4-Ethoxyphenyl)-hydroxymethylidene]-5-(3-ethoxy-4-phenylmethoxyphenyl)-1-(1,3-thiazol-2-yl)pyrrolidine-2,3-dione
    —— 4-[(4-Ethoxyphenyl)-hydroxymethylidene]-5-(3-ethoxy-4-phenylmethoxyphenyl)-1-(2-methoxyethyl)pyrrolidine-2,3-dione —— C31H33NO7
    4-[(4-Ethoxyphenyl)-hydroxymethylidene]-5-(3-ethoxy-4-phenylmethoxyphenyl)-1-(2-methoxyethyl)pyrrolidine-2,3-dione
    —— N-[2-(3-methyl-1-oxobutan-2-yl)-1-(4-piperidin-1-ylbut-2-enoyl)pyrrolidin-3-yl]methanesulfonamide —— C19H33N3O4S
    N-[2-(3-methyl-1-oxobutan-2-yl)-1-(4-piperidin-1-ylbut-2-enoyl)pyrrolidin-3-yl]methanesulfonamide
    —— 4-[(4-Ethoxyphenyl)-hydroxymethylidene]-5-(3-ethoxy-4-phenylmethoxyphenyl)-1-(6-methoxy-1,3-benzothiazol-2-yl)pyrrolidine-2,3-dione —— C36H32N2O7S
    4-[(4-Ethoxyphenyl)-hydroxymethylidene]-5-(3-ethoxy-4-phenylmethoxyphenyl)-1-(6-methoxy-1,3-benzothiazol-2-yl)pyrrolidine-2,3-dione
    —— 4-[(4-Ethoxyphenyl)-hydroxymethylidene]-5-(3-ethoxy-4-phenylmethoxyphenyl)-1-(pyridin-3-ylmethyl)pyrrolidine-2,3-dione —— C34H32N2O6
    4-[(4-Ethoxyphenyl)-hydroxymethylidene]-5-(3-ethoxy-4-phenylmethoxyphenyl)-1-(pyridin-3-ylmethyl)pyrrolidine-2,3-dione