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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 吡咯啉

    吡咯啉

    相关化合物

    中文名称 英文名称 CAS号 化学式 结构式图片
    —— (4S)-5-(2-methoxyethyl)-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-4-(3,4,5-trimethoxyphenyl)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one —— C23H25N3O6
    (4S)-5-(2-methoxyethyl)-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-4-(3,4,5-trimethoxyphenyl)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one
    —— (4S)-4-(3,4-dimethoxyphenyl)-5-(3-methoxypropyl)-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one —— C23H25N3O5
    (4S)-4-(3,4-dimethoxyphenyl)-5-(3-methoxypropyl)-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one
    —— (4S)-4-(3-hydroxyphenyl)-5-(3-hydroxypropyl)-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one —— C20H19N3O4
    (4S)-4-(3-hydroxyphenyl)-5-(3-hydroxypropyl)-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one
    —— (4R)-5-benzyl-3-(3-chloro-4-methyl-6-oxocyclohexa-2,4-dien-1-ylidene)-4-(3-ethoxy-4-hydroxyphenyl)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one —— C27H24ClN3O4
    (4R)-5-benzyl-3-(3-chloro-4-methyl-6-oxocyclohexa-2,4-dien-1-ylidene)-4-(3-ethoxy-4-hydroxyphenyl)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one
    —— (4S)-4-(4-hydroxyphenyl)-5-[(4-methoxyphenyl)methyl]-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one —— C25H21N3O4
    (4S)-4-(4-hydroxyphenyl)-5-[(4-methoxyphenyl)methyl]-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one
    —— (4S)-4-(3-chlorophenyl)-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-5-(2-phenylethyl)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one —— C25H20ClN3O2
    (4S)-4-(3-chlorophenyl)-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-5-(2-phenylethyl)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one
    —— (4S)-3-(3,5-dimethyl-6-oxocyclohexa-2,4-dien-1-ylidene)-5-(3-hydroxypropyl)-4-(3-methoxy-4-phenylmethoxyphenyl)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one —— C30H31N3O5
    (4S)-3-(3,5-dimethyl-6-oxocyclohexa-2,4-dien-1-ylidene)-5-(3-hydroxypropyl)-4-(3-methoxy-4-phenylmethoxyphenyl)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one
    —— (4S)-3-(3-chloro-4-methyl-6-oxocyclohexa-2,4-dien-1-ylidene)-4-(3-methoxyphenyl)-5-(pyridin-3-ylmethyl)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one —— C25H21ClN4O3
    (4S)-3-(3-chloro-4-methyl-6-oxocyclohexa-2,4-dien-1-ylidene)-4-(3-methoxyphenyl)-5-(pyridin-3-ylmethyl)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one
    —— (4S)-5-[2-(3,4-dimethoxyphenyl)ethyl]-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-4-phenyl-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one —— C27H25N3O4
    (4S)-5-[2-(3,4-dimethoxyphenyl)ethyl]-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-4-phenyl-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one
    —— (4S)-3-(3,5-dimethyl-6-oxocyclohexa-2,4-dien-1-ylidene)-4-(4-fluorophenyl)-5-(2-hydroxyethyl)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one —— C21H20FN3O3
    (4S)-3-(3,5-dimethyl-6-oxocyclohexa-2,4-dien-1-ylidene)-4-(4-fluorophenyl)-5-(2-hydroxyethyl)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one
    —— (4S)-4-(3,4-dimethoxyphenyl)-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-5-[[(2S)-oxolan-2-yl]methyl]-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one —— C24H25N3O5
    (4S)-4-(3,4-dimethoxyphenyl)-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-5-[[(2S)-oxolan-2-yl]methyl]-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one
    —— (4S)-4-(4-hydroxy-3-methoxyphenyl)-5-(2-methoxyethyl)-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one —— C21H21N3O5
    (4S)-4-(4-hydroxy-3-methoxyphenyl)-5-(2-methoxyethyl)-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one
    —— (4S)-3-(3,5-dimethyl-6-oxocyclohexa-2,4-dien-1-ylidene)-5-(2-hydroxyethyl)-4-(3-hydroxyphenyl)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one —— C21H21N3O4
    (4S)-3-(3,5-dimethyl-6-oxocyclohexa-2,4-dien-1-ylidene)-5-(2-hydroxyethyl)-4-(3-hydroxyphenyl)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one
    —— (4R)-4-(2-fluorophenyl)-5-(2-hydroxyethyl)-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one —— C19H16FN3O3
    (4R)-4-(2-fluorophenyl)-5-(2-hydroxyethyl)-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one
    —— (4S)-4-(3,4-dimethoxyphenyl)-5-[2-(4-methoxyphenyl)ethyl]-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one —— C28H27N3O5
    (4S)-4-(3,4-dimethoxyphenyl)-5-[2-(4-methoxyphenyl)ethyl]-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one
    —— (2S)-4-hydroxy-3-(5-methylfuran-2-carbonyl)-1-(5-methyl-1,2-oxazol-3-yl)-2-thiophen-2-yl-2H-pyrrol-5-one —— C18H14N2O5S
    (2S)-4-hydroxy-3-(5-methylfuran-2-carbonyl)-1-(5-methyl-1,2-oxazol-3-yl)-2-thiophen-2-yl-2H-pyrrol-5-one
    —— (2R)-4-hydroxy-3-(5-methylfuran-2-carbonyl)-1-(5-methyl-1,2-oxazol-3-yl)-2-thiophen-2-yl-2H-pyrrol-5-one —— C18H14N2O5S
    (2R)-4-hydroxy-3-(5-methylfuran-2-carbonyl)-1-(5-methyl-1,2-oxazol-3-yl)-2-thiophen-2-yl-2H-pyrrol-5-one
    —— (2R)-4-hydroxy-1-[2-(2-hydroxyethoxy)ethyl]-3-(thiophene-2-carbonyl)-2-thiophen-2-yl-2H-pyrrol-5-one —— C17H17NO5S2
    (2R)-4-hydroxy-1-[2-(2-hydroxyethoxy)ethyl]-3-(thiophene-2-carbonyl)-2-thiophen-2-yl-2H-pyrrol-5-one
    —— methyl (4Z)-1-(4-bromophenyl)-4-[(4-tert-butylphenyl)methylidene]-2-methyl-5-oxopyrrole-3-carboxylate —— C24H24BrNO3
    methyl (4Z)-1-(4-bromophenyl)-4-[(4-tert-butylphenyl)methylidene]-2-methyl-5-oxopyrrole-3-carboxylate
    —— (4S)-4-(4-chlorophenyl)-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-5-[[(2S)-oxolan-2-yl]methyl]-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one —— C22H20ClN3O3
    (4S)-4-(4-chlorophenyl)-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-5-[[(2S)-oxolan-2-yl]methyl]-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one
    —— (4S)-5-(2-methoxyethyl)-4-(4-methylsulfanylphenyl)-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one —— C21H21N3O3S
    (4S)-5-(2-methoxyethyl)-4-(4-methylsulfanylphenyl)-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one
    —— (2R)-2-(4-tert-butylphenyl)-4-hydroxy-1-[[(2S)-oxolan-2-yl]methyl]-3-(thiophene-2-carbonyl)-2H-pyrrol-5-one —— C24H27NO4S
    (2R)-2-(4-tert-butylphenyl)-4-hydroxy-1-[[(2S)-oxolan-2-yl]methyl]-3-(thiophene-2-carbonyl)-2H-pyrrol-5-one
    —— (4S)-4-(3-hydroxyphenyl)-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-5-propyl-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one —— C20H19N3O3
    (4S)-4-(3-hydroxyphenyl)-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-5-propyl-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one
    —— (2R)-3-(1-benzofuran-2-carbonyl)-1-[2-(dimethylazaniumyl)ethyl]-2-(4-fluorophenyl)-5-oxo-2H-pyrrol-4-olate —— C23H21FN2O4
    (2R)-3-(1-benzofuran-2-carbonyl)-1-[2-(dimethylazaniumyl)ethyl]-2-(4-fluorophenyl)-5-oxo-2H-pyrrol-4-olate
    —— (4S)-4-(4-fluorophenyl)-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-5-[[(2S)-oxolan-2-yl]methyl]-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one —— C22H20FN3O3
    (4S)-4-(4-fluorophenyl)-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-5-[[(2S)-oxolan-2-yl]methyl]-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one
    —— (2R)-3-acetyl-1-hexyl-4-hydroxy-2-(4-propan-2-ylphenyl)-2H-pyrrol-5-one —— C21H29NO3
    (2R)-3-acetyl-1-hexyl-4-hydroxy-2-(4-propan-2-ylphenyl)-2H-pyrrol-5-one
    —— (4R)-4-(3-hydroxyphenyl)-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-5-[[(2S)-oxolan-2-yl]methyl]-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one —— C22H21N3O4
    (4R)-4-(3-hydroxyphenyl)-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-5-[[(2S)-oxolan-2-yl]methyl]-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one
    —— 2-[(2R)-3-(1-benzofuran-2-carbonyl)-2-(4-fluorophenyl)-4-hydroxy-5-oxo-2H-pyrrol-1-yl]ethyl-dimethylazanium —— C23H22FN2O4+
    2-[(2R)-3-(1-benzofuran-2-carbonyl)-2-(4-fluorophenyl)-4-hydroxy-5-oxo-2H-pyrrol-1-yl]ethyl-dimethylazanium
    —— (4R)-4-(2-fluorophenyl)-5-[2-(4-methoxyphenyl)ethyl]-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one —— C26H22FN3O3
    (4R)-4-(2-fluorophenyl)-5-[2-(4-methoxyphenyl)ethyl]-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one
    —— (4S)-4-(3-hydroxyphenyl)-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-5-[[(2S)-oxolan-2-yl]methyl]-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one —— C22H21N3O4
    (4S)-4-(3-hydroxyphenyl)-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-5-[[(2S)-oxolan-2-yl]methyl]-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one
    —— (4S)-5-butyl-4-(3-hydroxyphenyl)-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one —— C21H21N3O3
    (4S)-5-butyl-4-(3-hydroxyphenyl)-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one
    —— (4S)-4-(3-methoxyphenyl)-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-5-(3-propan-2-yloxypropyl)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one —— C24H27N3O4
    (4S)-4-(3-methoxyphenyl)-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-5-(3-propan-2-yloxypropyl)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one
    —— (2S)-2-(4-tert-butylphenyl)-4-hydroxy-1-[[(2R)-oxolan-2-yl]methyl]-3-(thiophene-2-carbonyl)-2H-pyrrol-5-one —— C24H27NO4S
    (2S)-2-(4-tert-butylphenyl)-4-hydroxy-1-[[(2R)-oxolan-2-yl]methyl]-3-(thiophene-2-carbonyl)-2H-pyrrol-5-one
    —— (4R)-4-(4-fluorophenyl)-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-5-[[(2S)-oxolan-2-yl]methyl]-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one —— C22H20FN3O3
    (4R)-4-(4-fluorophenyl)-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-5-[[(2S)-oxolan-2-yl]methyl]-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one
    —— (4S)-4-(3-chlorophenyl)-5-(furan-2-ylmethyl)-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one —— C22H16ClN3O3
    (4S)-4-(3-chlorophenyl)-5-(furan-2-ylmethyl)-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one
    —— (4S)-4-(4-fluorophenyl)-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-5-(2-phenylethyl)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one —— C25H20FN3O2
    (4S)-4-(4-fluorophenyl)-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-5-(2-phenylethyl)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one
    —— (4R)-5-(3-hydroxypropyl)-4-(4-methoxyphenyl)-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one —— C21H21N3O4
    (4R)-5-(3-hydroxypropyl)-4-(4-methoxyphenyl)-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one
    —— (4S)-3-(3-chloro-4-methyl-6-oxocyclohexa-2,4-dien-1-ylidene)-5-(3-hydroxypropyl)-4-(4-phenylmethoxyphenyl)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one —— C28H26ClN3O4
    (4S)-3-(3-chloro-4-methyl-6-oxocyclohexa-2,4-dien-1-ylidene)-5-(3-hydroxypropyl)-4-(4-phenylmethoxyphenyl)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one
    —— (2S)-3-acetyl-1-hexyl-4-hydroxy-2-(4-propan-2-ylphenyl)-2H-pyrrol-5-one —— C21H29NO3
    (2S)-3-acetyl-1-hexyl-4-hydroxy-2-(4-propan-2-ylphenyl)-2H-pyrrol-5-one
    —— (2S)-3-acetyl-2-(4-bromophenyl)-4-hydroxy-1-(4-hydroxyphenyl)-2H-pyrrol-5-one —— C18H14BrNO4
    (2S)-3-acetyl-2-(4-bromophenyl)-4-hydroxy-1-(4-hydroxyphenyl)-2H-pyrrol-5-one
    —— (4S)-4-(4-chlorophenyl)-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-5-[[(2R)-oxolan-2-yl]methyl]-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one —— C22H20ClN3O3
    (4S)-4-(4-chlorophenyl)-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-5-[[(2R)-oxolan-2-yl]methyl]-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one
    —— methyl 2-[(2S)-2-(4-chlorophenyl)-4-hydroxy-5-oxo-3-(thiophene-2-carbonyl)-2H-pyrrol-1-yl]-4-methyl-1,3-thiazole-5-carboxylate —— C21H15ClN2O5S2
    methyl 2-[(2S)-2-(4-chlorophenyl)-4-hydroxy-5-oxo-3-(thiophene-2-carbonyl)-2H-pyrrol-1-yl]-4-methyl-1,3-thiazole-5-carboxylate
    —— methyl 2-[(2R)-2-(4-chlorophenyl)-4-hydroxy-5-oxo-3-(thiophene-2-carbonyl)-2H-pyrrol-1-yl]-4-methyl-1,3-thiazole-5-carboxylate —— C21H15ClN2O5S2
    methyl 2-[(2R)-2-(4-chlorophenyl)-4-hydroxy-5-oxo-3-(thiophene-2-carbonyl)-2H-pyrrol-1-yl]-4-methyl-1,3-thiazole-5-carboxylate
    —— (4S)-4-(4-fluorophenyl)-5-(2-hydroxyethyl)-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one —— C19H16FN3O3
    (4S)-4-(4-fluorophenyl)-5-(2-hydroxyethyl)-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one
    —— (2R)-3-acetyl-1-butyl-2-(2,4-dimethoxyphenyl)-4-hydroxy-2H-pyrrol-5-one —— C18H23NO5
    (2R)-3-acetyl-1-butyl-2-(2,4-dimethoxyphenyl)-4-hydroxy-2H-pyrrol-5-one
    —— (4R)-4-(3-chlorophenyl)-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-5-[[(2S)-oxolan-2-yl]methyl]-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one —— C22H20ClN3O3
    (4R)-4-(3-chlorophenyl)-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-5-[[(2S)-oxolan-2-yl]methyl]-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one
    —— (4S)-5-[2-(4-methoxyphenyl)ethyl]-4-(4-methylsulfanylphenyl)-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one —— C27H25N3O3S
    (4S)-5-[2-(4-methoxyphenyl)ethyl]-4-(4-methylsulfanylphenyl)-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one
    —— (4S)-5-butyl-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-4-(3,4,5-trimethoxyphenyl)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one —— C24H27N3O5
    (4S)-5-butyl-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-4-(3,4,5-trimethoxyphenyl)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one
    —— (4R)-4-(2-fluorophenyl)-5-(3-hydroxypropyl)-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one —— C20H18FN3O3
    (4R)-4-(2-fluorophenyl)-5-(3-hydroxypropyl)-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one
    —— (2S)-3-acetyl-1-butyl-2-(2,4-dimethoxyphenyl)-4-hydroxy-2H-pyrrol-5-one —— C18H23NO5
    (2S)-3-acetyl-1-butyl-2-(2,4-dimethoxyphenyl)-4-hydroxy-2H-pyrrol-5-one