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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
    —— (2,4,5-trichlorophenyl)methyl N-[[(3aR,4S,7S,7aS)-1,3-dioxo-2-phenyl-7,7a-dihydro-3aH-4,7-epoxyisoindol-4-yl]methyl]carbamate —— C23H17Cl3N2O5
    (2,4,5-trichlorophenyl)methyl N-[[(3aR,4S,7S,7aS)-1,3-dioxo-2-phenyl-7,7a-dihydro-3aH-4,7-epoxyisoindol-4-yl]methyl]carbamate
    —— ethyl (2S,3S)-2-(furan-2-yl)-1-methyl-4,5-dioxopyrrolidine-3-carboxylate —— C12H13NO5
    ethyl (2S,3S)-2-(furan-2-yl)-1-methyl-4,5-dioxopyrrolidine-3-carboxylate
    —— (1S,2S,6S,7S)-4-(3-chlorophenyl)spiro[4-azatricyclo[5.2.1.02,6]dec-8-ene-10,1'-cyclopropane]-3,5-dione —— C17H14ClNO2
    (1S,2S,6S,7S)-4-(3-chlorophenyl)spiro[4-azatricyclo[5.2.1.02,6]dec-8-ene-10,1'-cyclopropane]-3,5-dione
    —— (1S,2S,6S,7S)-4-(2,4,6-trimethylphenyl)spiro[4-azatricyclo[5.2.1.02,6]dec-8-ene-10,1'-cyclopropane]-3,5-dione —— C20H21NO2
    (1S,2S,6S,7S)-4-(2,4,6-trimethylphenyl)spiro[4-azatricyclo[5.2.1.02,6]dec-8-ene-10,1'-cyclopropane]-3,5-dione
    —— [(3R)-1-(4-bromophenyl)-2,5-dioxopyrrolidin-3-yl] N'-[(Z)-1-(4-chlorophenyl)ethylideneamino]carbamimidothioate —— C19H16BrClN4O2S
    [(3R)-1-(4-bromophenyl)-2,5-dioxopyrrolidin-3-yl] N'-[(Z)-1-(4-chlorophenyl)ethylideneamino]carbamimidothioate
    —— ethyl (2R,3S)-2-(furan-2-yl)-1-methyl-4,5-dioxopyrrolidine-3-carboxylate —— C12H13NO5
    ethyl (2R,3S)-2-(furan-2-yl)-1-methyl-4,5-dioxopyrrolidine-3-carboxylate
    —— (1S,2R,6S,7S)-4-(2,4,6-trimethylphenyl)spiro[4-azatricyclo[5.2.1.02,6]dec-8-ene-10,1'-cyclopropane]-3,5-dione —— C20H21NO2
    (1S,2R,6S,7S)-4-(2,4,6-trimethylphenyl)spiro[4-azatricyclo[5.2.1.02,6]dec-8-ene-10,1'-cyclopropane]-3,5-dione
    —— [(3R)-1-(3-methoxyphenyl)-2,5-dioxopyrrolidin-3-yl] N'-[(Z)-1-(4-chlorophenyl)ethylideneamino]carbamimidothioate —— C20H19ClN4O3S
    [(3R)-1-(3-methoxyphenyl)-2,5-dioxopyrrolidin-3-yl] N'-[(Z)-1-(4-chlorophenyl)ethylideneamino]carbamimidothioate
    —— ethyl (2S,3R)-2-(furan-2-yl)-1-methyl-4,5-dioxopyrrolidine-3-carboxylate —— C12H13NO5
    ethyl (2S,3R)-2-(furan-2-yl)-1-methyl-4,5-dioxopyrrolidine-3-carboxylate
    —— (2,4-dichlorophenyl)methyl N-[[(3aR,4S,7S,7aR)-2-(4-chlorophenyl)-1,3-dioxo-7,7a-dihydro-3aH-4,7-epoxyisoindol-4-yl]methyl]carbamate —— C23H17Cl3N2O5
    (2,4-dichlorophenyl)methyl N-[[(3aR,4S,7S,7aR)-2-(4-chlorophenyl)-1,3-dioxo-7,7a-dihydro-3aH-4,7-epoxyisoindol-4-yl]methyl]carbamate
    —— ethyl (2R,3R)-2-(furan-2-yl)-1-methyl-4,5-dioxopyrrolidine-3-carboxylate —— C12H13NO5
    ethyl (2R,3R)-2-(furan-2-yl)-1-methyl-4,5-dioxopyrrolidine-3-carboxylate
    —— (1S,2R,6S,7S)-4-(3-chlorophenyl)spiro[4-azatricyclo[5.2.1.02,6]dec-8-ene-10,1'-cyclopropane]-3,5-dione —— C17H14ClNO2
    (1S,2R,6S,7S)-4-(3-chlorophenyl)spiro[4-azatricyclo[5.2.1.02,6]dec-8-ene-10,1'-cyclopropane]-3,5-dione
    —— (1S,2R,6R,7S)-1,7,8,9,10,10-hexachloro-4-(2-fluorophenyl)-4-azatricyclo[5.2.1.02,6]dec-8-ene-3,5-dione —— C15H6Cl6FNO2
    (1S,2R,6R,7S)-1,7,8,9,10,10-hexachloro-4-(2-fluorophenyl)-4-azatricyclo[5.2.1.02,6]dec-8-ene-3,5-dione
    —— (2,4-dichlorophenyl)methyl N-[[(3aR,4S,7S,7aS)-2-(4-chlorophenyl)-1,3-dioxo-7,7a-dihydro-3aH-4,7-epoxyisoindol-4-yl]methyl]carbamate —— C23H17Cl3N2O5
    (2,4-dichlorophenyl)methyl N-[[(3aR,4S,7S,7aS)-2-(4-chlorophenyl)-1,3-dioxo-7,7a-dihydro-3aH-4,7-epoxyisoindol-4-yl]methyl]carbamate
    —— (1S,2S,6S,7S)-4-(4-ethoxyphenyl)spiro[4-azatricyclo[5.2.1.02,6]dec-8-ene-10,1'-cyclopropane]-3,5-dione —— C19H19NO3
    (1S,2S,6S,7S)-4-(4-ethoxyphenyl)spiro[4-azatricyclo[5.2.1.02,6]dec-8-ene-10,1'-cyclopropane]-3,5-dione
    —— (1S,2R,6S,7S)-1,7,8,9,10,10-hexachloro-4-(2-fluorophenyl)-4-azatricyclo[5.2.1.02,6]dec-8-ene-3,5-dione —— C15H6Cl6FNO2
    (1S,2R,6S,7S)-1,7,8,9,10,10-hexachloro-4-(2-fluorophenyl)-4-azatricyclo[5.2.1.02,6]dec-8-ene-3,5-dione
    —— (4E)-5-(3,4-diethoxyphenyl)-1-(4,6-dimethyl-1,3-benzothiazol-2-yl)-4-[hydroxy-(2-methylimidazo[1,2-a]pyridin-3-yl)methylidene]pyrrolidine-2,3-dione —— C32H30N4O5S
    (4E)-5-(3,4-diethoxyphenyl)-1-(4,6-dimethyl-1,3-benzothiazol-2-yl)-4-[hydroxy-(2-methylimidazo[1,2-a]pyridin-3-yl)methylidene]pyrrolidine-2,3-dione
    —— (4E)-1-[3-(dimethylamino)propyl]-4-[hydroxy-(2-methylimidazo[1,2-a]pyridin-3-yl)methylidene]-5-(4-pentoxyphenyl)pyrrolidine-2,3-dione —— C29H36N4O4
    (4E)-1-[3-(dimethylamino)propyl]-4-[hydroxy-(2-methylimidazo[1,2-a]pyridin-3-yl)methylidene]-5-(4-pentoxyphenyl)pyrrolidine-2,3-dione
    —— (4E)-4-[hydroxy-(2-methylimidazo[1,2-a]pyridin-3-yl)methylidene]-5-[3-methoxy-4-(3-methylbutoxy)phenyl]-1-(1,3-thiazol-2-yl)pyrrolidine-2,3-dione —— C28H28N4O5S
    (4E)-4-[hydroxy-(2-methylimidazo[1,2-a]pyridin-3-yl)methylidene]-5-[3-methoxy-4-(3-methylbutoxy)phenyl]-1-(1,3-thiazol-2-yl)pyrrolidine-2,3-dione
    —— (4E)-4-[hydroxy-(2-methylimidazo[1,2-a]pyridin-3-yl)methylidene]-1-(6-methyl-1,3-benzothiazol-2-yl)-5-(4-pentoxyphenyl)pyrrolidine-2,3-dione —— C32H30N4O4S
    (4E)-4-[hydroxy-(2-methylimidazo[1,2-a]pyridin-3-yl)methylidene]-1-(6-methyl-1,3-benzothiazol-2-yl)-5-(4-pentoxyphenyl)pyrrolidine-2,3-dione
    —— (4E)-1-(5-benzylsulfanyl-1,3,4-thiadiazol-2-yl)-5-(3-ethoxyphenyl)-4-[hydroxy-(2-methylimidazo[1,2-a]pyridin-3-yl)methylidene]pyrrolidine-2,3-dione —— C30H25N5O4S2
    (4E)-1-(5-benzylsulfanyl-1,3,4-thiadiazol-2-yl)-5-(3-ethoxyphenyl)-4-[hydroxy-(2-methylimidazo[1,2-a]pyridin-3-yl)methylidene]pyrrolidine-2,3-dione
    —— (4E)-1-(6-chloro-1,3-benzothiazol-2-yl)-5-(2-fluorophenyl)-4-[hydroxy-(2-methylimidazo[1,2-a]pyridin-3-yl)methylidene]pyrrolidine-2,3-dione —— C26H16ClFN4O3S
    (4E)-1-(6-chloro-1,3-benzothiazol-2-yl)-5-(2-fluorophenyl)-4-[hydroxy-(2-methylimidazo[1,2-a]pyridin-3-yl)methylidene]pyrrolidine-2,3-dione
    —— (4E)-1-(6-ethoxy-1,3-benzothiazol-2-yl)-5-(4-ethoxy-3-methoxyphenyl)-4-[hydroxy-(2-methylimidazo[1,2-a]pyridin-3-yl)methylidene]pyrrolidine-2,3-dione —— C31H28N4O6S
    (4E)-1-(6-ethoxy-1,3-benzothiazol-2-yl)-5-(4-ethoxy-3-methoxyphenyl)-4-[hydroxy-(2-methylimidazo[1,2-a]pyridin-3-yl)methylidene]pyrrolidine-2,3-dione
    —— (4E)-1-(4,6-dimethyl-1,3-benzothiazol-2-yl)-4-[hydroxy-(2-methylimidazo[1,2-a]pyridin-3-yl)methylidene]-5-(3-prop-2-enoxyphenyl)pyrrolidine-2,3-dione —— C31H26N4O4S
    (4E)-1-(4,6-dimethyl-1,3-benzothiazol-2-yl)-4-[hydroxy-(2-methylimidazo[1,2-a]pyridin-3-yl)methylidene]-5-(3-prop-2-enoxyphenyl)pyrrolidine-2,3-dione
    —— (4E)-5-(3-ethoxy-4-pentoxyphenyl)-4-[hydroxy-(2-methylimidazo[1,2-a]pyridin-3-yl)methylidene]-1-(5-methyl-1,3,4-thiadiazol-2-yl)pyrrolidine-2,3-dione —— C29H31N5O5S
    (4E)-5-(3-ethoxy-4-pentoxyphenyl)-4-[hydroxy-(2-methylimidazo[1,2-a]pyridin-3-yl)methylidene]-1-(5-methyl-1,3,4-thiadiazol-2-yl)pyrrolidine-2,3-dione
    —— (4E)-4-[hydroxy-(2-methylimidazo[1,2-a]pyridin-3-yl)methylidene]-1-(2-methoxyethyl)-5-(4-pentoxyphenyl)pyrrolidine-2,3-dione —— C27H31N3O5
    (4E)-4-[hydroxy-(2-methylimidazo[1,2-a]pyridin-3-yl)methylidene]-1-(2-methoxyethyl)-5-(4-pentoxyphenyl)pyrrolidine-2,3-dione
    —— (2,4,5-trichlorophenyl)methyl N-[[(3aR,4S,7S,7aR)-1,3-dioxo-2-phenyl-7,7a-dihydro-3aH-4,7-epoxyisoindol-4-yl]methyl]carbamate —— C23H17Cl3N2O5
    (2,4,5-trichlorophenyl)methyl N-[[(3aR,4S,7S,7aR)-1,3-dioxo-2-phenyl-7,7a-dihydro-3aH-4,7-epoxyisoindol-4-yl]methyl]carbamate
    —— (4E)-5-(2-fluorophenyl)-4-[hydroxy-(2-methylimidazo[1,2-a]pyridin-3-yl)methylidene]-1-(6-methoxy-1,3-benzothiazol-2-yl)pyrrolidine-2,3-dione —— C27H19FN4O4S
    (4E)-5-(2-fluorophenyl)-4-[hydroxy-(2-methylimidazo[1,2-a]pyridin-3-yl)methylidene]-1-(6-methoxy-1,3-benzothiazol-2-yl)pyrrolidine-2,3-dione
    —— (4E)-1-(6-ethoxy-1,3-benzothiazol-2-yl)-4-[hydroxy-(2-methylimidazo[1,2-a]pyridin-3-yl)methylidene]-5-(4-prop-2-enoxyphenyl)pyrrolidine-2,3-dione —— C31H26N4O5S
    (4E)-1-(6-ethoxy-1,3-benzothiazol-2-yl)-4-[hydroxy-(2-methylimidazo[1,2-a]pyridin-3-yl)methylidene]-5-(4-prop-2-enoxyphenyl)pyrrolidine-2,3-dione
    —— (4E)-5-(4-tert-butylphenyl)-4-[hydroxy-(2-methylimidazo[1,2-a]pyridin-3-yl)methylidene]-1-[5-(naphthalen-1-ylmethylsulfanyl)-1,3,4-thiadiazol-2-yl]pyrrolidine-2,3-dione —— C36H31N5O3S2
    (4E)-5-(4-tert-butylphenyl)-4-[hydroxy-(2-methylimidazo[1,2-a]pyridin-3-yl)methylidene]-1-[5-(naphthalen-1-ylmethylsulfanyl)-1,3,4-thiadiazol-2-yl]pyrrolidine-2,3-dione
    —— (4E)-5-(3-ethoxy-4-phenylmethoxyphenyl)-4-[hydroxy-(2-methylimidazo[1,2-a]pyridin-3-yl)methylidene]-1-(6-methoxy-1,3-benzothiazol-2-yl)pyrrolidine-2,3-dione —— C36H30N4O6S
    (4E)-5-(3-ethoxy-4-phenylmethoxyphenyl)-4-[hydroxy-(2-methylimidazo[1,2-a]pyridin-3-yl)methylidene]-1-(6-methoxy-1,3-benzothiazol-2-yl)pyrrolidine-2,3-dione
    —— (4E)-1-(5-acetyl-4-methyl-1,3-thiazol-2-yl)-5-(3,4-diethoxyphenyl)-4-[hydroxy-(2-methylimidazo[1,2-a]pyridin-3-yl)methylidene]pyrrolidine-2,3-dione —— C29H28N4O6S
    (4E)-1-(5-acetyl-4-methyl-1,3-thiazol-2-yl)-5-(3,4-diethoxyphenyl)-4-[hydroxy-(2-methylimidazo[1,2-a]pyridin-3-yl)methylidene]pyrrolidine-2,3-dione
    —— (4E)-1-(6-ethoxy-1,3-benzothiazol-2-yl)-4-[hydroxy-(2-methylimidazo[1,2-a]pyridin-3-yl)methylidene]-5-[3-(3-methylbutoxy)phenyl]pyrrolidine-2,3-dione —— C33H32N4O5S
    (4E)-1-(6-ethoxy-1,3-benzothiazol-2-yl)-4-[hydroxy-(2-methylimidazo[1,2-a]pyridin-3-yl)methylidene]-5-[3-(3-methylbutoxy)phenyl]pyrrolidine-2,3-dione
    —— (4E)-1-(5-acetyl-4-methyl-1,3-thiazol-2-yl)-5-(3-ethoxyphenyl)-4-[hydroxy-(2-methylimidazo[1,2-a]pyridin-3-yl)methylidene]pyrrolidine-2,3-dione —— C27H24N4O5S
    (4E)-1-(5-acetyl-4-methyl-1,3-thiazol-2-yl)-5-(3-ethoxyphenyl)-4-[hydroxy-(2-methylimidazo[1,2-a]pyridin-3-yl)methylidene]pyrrolidine-2,3-dione
    —— methyl 4-[(3E)-3-[hydroxy-(2-methylimidazo[1,2-a]pyridin-3-yl)methylidene]-1-(3-methoxypropyl)-4,5-dioxopyrrolidin-2-yl]benzoate —— C25H25N3O6
    methyl 4-[(3E)-3-[hydroxy-(2-methylimidazo[1,2-a]pyridin-3-yl)methylidene]-1-(3-methoxypropyl)-4,5-dioxopyrrolidin-2-yl]benzoate
    —— (4E)-5-(4-butoxy-3-methoxyphenyl)-4-[hydroxy-(2-methylimidazo[1,2-a]pyridin-3-yl)methylidene]-1-(2-methoxyethyl)pyrrolidine-2,3-dione —— C27H31N3O6
    (4E)-5-(4-butoxy-3-methoxyphenyl)-4-[hydroxy-(2-methylimidazo[1,2-a]pyridin-3-yl)methylidene]-1-(2-methoxyethyl)pyrrolidine-2,3-dione
    —— (2S,6R,8R,12S)-4,10-bis(2,4-dimethylphenyl)-1-phenyl-4,10-diazatetracyclo[5.5.2.02,6.08,12]tetradec-13-ene-3,5,9,11-tetrone —— C34H30N2O4
    (2S,6R,8R,12S)-4,10-bis(2,4-dimethylphenyl)-1-phenyl-4,10-diazatetracyclo[5.5.2.02,6.08,12]tetradec-13-ene-3,5,9,11-tetrone
    —— (2R,6S,8R,12S)-4,10-bis(2,4-dimethylphenyl)-1-phenyl-4,10-diazatetracyclo[5.5.2.02,6.08,12]tetradec-13-ene-3,5,9,11-tetrone —— C34H30N2O4
    (2R,6S,8R,12S)-4,10-bis(2,4-dimethylphenyl)-1-phenyl-4,10-diazatetracyclo[5.5.2.02,6.08,12]tetradec-13-ene-3,5,9,11-tetrone
    —— (2S,6R,8S,12S)-4,10-bis(2,4-dimethylphenyl)-1-phenyl-4,10-diazatetracyclo[5.5.2.02,6.08,12]tetradec-13-ene-3,5,9,11-tetrone —— C34H30N2O4
    (2S,6R,8S,12S)-4,10-bis(2,4-dimethylphenyl)-1-phenyl-4,10-diazatetracyclo[5.5.2.02,6.08,12]tetradec-13-ene-3,5,9,11-tetrone
    —— (2S,6R,8R,12R)-4,10-bis(2,4-dimethylphenyl)-1-phenyl-4,10-diazatetracyclo[5.5.2.02,6.08,12]tetradec-13-ene-3,5,9,11-tetrone —— C34H30N2O4
    (2S,6R,8R,12R)-4,10-bis(2,4-dimethylphenyl)-1-phenyl-4,10-diazatetracyclo[5.5.2.02,6.08,12]tetradec-13-ene-3,5,9,11-tetrone
    —— (1S,8S,9S,13S)-11-(2,5-dimethylphenyl)-11-azatetracyclo[6.5.2.02,7.09,13]pentadeca-2,4,6-triene-10,12,14-trione —— C22H19NO3
    (1S,8S,9S,13S)-11-(2,5-dimethylphenyl)-11-azatetracyclo[6.5.2.02,7.09,13]pentadeca-2,4,6-triene-10,12,14-trione
    —— (4E)-1-[5-[(4-fluorophenyl)methylsulfanyl]-1,3,4-thiadiazol-2-yl]-4-[hydroxy-(2-methylimidazo[1,2-a]pyridin-3-yl)methylidene]-5-(3-hydroxyphenyl)pyrrolidine-2,3-dione —— C28H20FN5O4S2
    (4E)-1-[5-[(4-fluorophenyl)methylsulfanyl]-1,3,4-thiadiazol-2-yl]-4-[hydroxy-(2-methylimidazo[1,2-a]pyridin-3-yl)methylidene]-5-(3-hydroxyphenyl)pyrrolidine-2,3-dione
    —— (4E)-5-(3-ethoxy-4-prop-2-enoxyphenyl)-4-[hydroxy-(2-methylimidazo[1,2-a]pyridin-3-yl)methylidene]-1-(6-methoxy-1,3-benzothiazol-2-yl)pyrrolidine-2,3-dione —— C32H28N4O6S
    (4E)-5-(3-ethoxy-4-prop-2-enoxyphenyl)-4-[hydroxy-(2-methylimidazo[1,2-a]pyridin-3-yl)methylidene]-1-(6-methoxy-1,3-benzothiazol-2-yl)pyrrolidine-2,3-dione
    —— (1S,8S,9R,13S)-11-(2,5-dimethylphenyl)-11-azatetracyclo[6.5.2.02,7.09,13]pentadeca-2,4,6-triene-10,12,14-trione —— C22H19NO3
    (1S,8S,9R,13S)-11-(2,5-dimethylphenyl)-11-azatetracyclo[6.5.2.02,7.09,13]pentadeca-2,4,6-triene-10,12,14-trione
    —— (1R,2R,6S,7R)-4-[4-[[4-[(1R,2R,6S,7R)-3,5-dioxo-4-azatricyclo[5.2.1.02,6]dec-8-en-4-yl]phenyl]disulfanyl]phenyl]-4-azatricyclo[5.2.1.02,6]dec-8-ene-3,5-dione —— C30H24N2O4S2
    (1R,2R,6S,7R)-4-[4-[[4-[(1R,2R,6S,7R)-3,5-dioxo-4-azatricyclo[5.2.1.02,6]dec-8-en-4-yl]phenyl]disulfanyl]phenyl]-4-azatricyclo[5.2.1.02,6]dec-8-ene-3,5-dione
    —— (3aS,4S,7R,7aR)-2-(2,3-dimethylphenyl)-4,7-diphenyl-3a,4,7,7a-tetrahydroisoindole-1,3-dione —— C28H25NO2
    (3aS,4S,7R,7aR)-2-(2,3-dimethylphenyl)-4,7-diphenyl-3a,4,7,7a-tetrahydroisoindole-1,3-dione
    —— (4E)-5-(4-hydroxy-3-methoxyphenyl)-4-[hydroxy-(2-methylimidazo[1,2-a]pyridin-3-yl)methylidene]-1-(3-methoxypropyl)pyrrolidine-2,3-dione —— C24H25N3O6
    (4E)-5-(4-hydroxy-3-methoxyphenyl)-4-[hydroxy-(2-methylimidazo[1,2-a]pyridin-3-yl)methylidene]-1-(3-methoxypropyl)pyrrolidine-2,3-dione
    —— (4E)-1-[5-[(4-chlorophenyl)methylsulfanyl]-1,3,4-thiadiazol-2-yl]-5-(2-fluorophenyl)-4-[hydroxy-(2-methylimidazo[1,2-a]pyridin-3-yl)methylidene]pyrrolidine-2,3-dione —— C28H19ClFN5O3S2
    (4E)-1-[5-[(4-chlorophenyl)methylsulfanyl]-1,3,4-thiadiazol-2-yl]-5-(2-fluorophenyl)-4-[hydroxy-(2-methylimidazo[1,2-a]pyridin-3-yl)methylidene]pyrrolidine-2,3-dione
    —— (4E)-1-(4,6-dimethyl-1,3-benzothiazol-2-yl)-4-[hydroxy-(2-methylimidazo[1,2-a]pyridin-3-yl)methylidene]-5-(4-methylphenyl)pyrrolidine-2,3-dione —— C29H24N4O3S
    (4E)-1-(4,6-dimethyl-1,3-benzothiazol-2-yl)-4-[hydroxy-(2-methylimidazo[1,2-a]pyridin-3-yl)methylidene]-5-(4-methylphenyl)pyrrolidine-2,3-dione
    —— (4E)-5-(3-bromo-4-hydroxy-5-methoxyphenyl)-4-[hydroxy-(2-methylimidazo[1,2-a]pyridin-3-yl)methylidene]-1-(6-methyl-1,3-benzothiazol-2-yl)pyrrolidine-2,3-dione —— C28H21BrN4O5S
    (4E)-5-(3-bromo-4-hydroxy-5-methoxyphenyl)-4-[hydroxy-(2-methylimidazo[1,2-a]pyridin-3-yl)methylidene]-1-(6-methyl-1,3-benzothiazol-2-yl)pyrrolidine-2,3-dione