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—— ethyl (2Z,5R)-2-[[1-(2-ethoxy-2-oxoethyl)-2-methylindol-3-yl]methylidene]-7-methyl-5-(4-methylsulfanylphenyl)-3-oxo-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate —— C31H31N3O5S2
ethyl (2Z,5R)-2-[[1-(2-ethoxy-2-oxoethyl)-2-methylindol-3-yl]methylidene]-7-methyl-5-(4-methylsulfanylphenyl)-3-oxo-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate
—— ethyl 4-[[(6R)-6-[(4-ethoxyphenyl)carbamoyl]-3-[(4-methoxyphenyl)methyl]-4-oxo-1,3-thiazinan-2-ylidene]amino]benzoate —— C30H31N3O6S
ethyl 4-[[(6R)-6-[(4-ethoxyphenyl)carbamoyl]-3-[(4-methoxyphenyl)methyl]-4-oxo-1,3-thiazinan-2-ylidene]amino]benzoate
—— ethyl (2E,5R)-5-(3,4-dimethoxyphenyl)-2-[[2-[2-(2-methoxyphenoxy)ethoxy]phenyl]methylidene]-7-methyl-3-oxo-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate —— C34H34N2O8S
ethyl (2E,5R)-5-(3,4-dimethoxyphenyl)-2-[[2-[2-(2-methoxyphenoxy)ethoxy]phenyl]methylidene]-7-methyl-3-oxo-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate
—— ethyl (2E,5R)-2-[(3,5-ditert-butyl-4-hydroxyphenyl)methylidene]-5-(4-fluorophenyl)-3-oxo-7-phenyl-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate —— C36H37FN2O4S
ethyl (2E,5R)-2-[(3,5-ditert-butyl-4-hydroxyphenyl)methylidene]-5-(4-fluorophenyl)-3-oxo-7-phenyl-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate
—— (E)-3-(3-methylphenyl)-N-pyridin-2-ylprop-2-enamide —— C15H14N2O
(E)-3-(3-methylphenyl)-N-pyridin-2-ylprop-2-enamide
—— ethyl (2Z,5S)-2-[[1-(2-ethoxy-2-oxoethyl)-2-methylindol-3-yl]methylidene]-7-methyl-5-(4-methylsulfanylphenyl)-3-oxo-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate —— C31H31N3O5S2
ethyl (2Z,5S)-2-[[1-(2-ethoxy-2-oxoethyl)-2-methylindol-3-yl]methylidene]-7-methyl-5-(4-methylsulfanylphenyl)-3-oxo-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate
—— ethyl (2E,5S)-2-[[3-methoxy-4-[2-(3-methoxyphenoxy)ethoxy]phenyl]methylidene]-7-methyl-3-oxo-5-phenyl-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate —— C33H32N2O7S
ethyl (2E,5S)-2-[[3-methoxy-4-[2-(3-methoxyphenoxy)ethoxy]phenyl]methylidene]-7-methyl-3-oxo-5-phenyl-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate
—— ethyl (2Z,7S)-5-amino-6-cyano-3-oxo-7-(3-phenoxyphenyl)-2-[(3-phenoxyphenyl)methylidene]-7H-[1,3]thiazolo[3,2-a]pyridine-8-carboxylate —— C36H27N3O5S
ethyl (2Z,7S)-5-amino-6-cyano-3-oxo-7-(3-phenoxyphenyl)-2-[(3-phenoxyphenyl)methylidene]-7H-[1,3]thiazolo[3,2-a]pyridine-8-carboxylate
—— ethyl (2E,5S)-5-(4-methoxyphenyl)-7-methyl-3-oxo-2-[[3-(2-phenoxyethoxy)phenyl]methylidene]-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate —— C32H30N2O6S
ethyl (2E,5S)-5-(4-methoxyphenyl)-7-methyl-3-oxo-2-[[3-(2-phenoxyethoxy)phenyl]methylidene]-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate
—— ethyl 2-[(2R)-1-[3-[(Z)-[3-[(4-methylphenyl)methyl]-4-oxo-2-sulfanylidene-1,3-thiazolidin-5-ylidene]methyl]-4-oxopyrido[1,2-a]pyrimidin-2-yl]-3-oxopiperazin-2-yl]acetate —— C28H27N5O5S2
ethyl 2-[(2R)-1-[3-[(Z)-[3-[(4-methylphenyl)methyl]-4-oxo-2-sulfanylidene-1,3-thiazolidin-5-ylidene]methyl]-4-oxopyrido[1,2-a]pyrimidin-2-yl]-3-oxopiperazin-2-yl]acetate
—— ethyl (2Z,5S)-5-(4-chlorophenyl)-2-[[4-(dimethylamino)phenyl]methylidene]-3-oxo-7-phenyl-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate —— C30H26ClN3O3S
ethyl (2Z,5S)-5-(4-chlorophenyl)-2-[[4-(dimethylamino)phenyl]methylidene]-3-oxo-7-phenyl-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate
—— ethyl (2E,5S)-2-[[5-chloro-2-[(4-fluorophenyl)methoxy]phenyl]methylidene]-5-(3,4-dimethoxyphenyl)-7-methyl-3-oxo-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate —— C32H28ClFN2O6S
ethyl (2E,5S)-2-[[5-chloro-2-[(4-fluorophenyl)methoxy]phenyl]methylidene]-5-(3,4-dimethoxyphenyl)-7-methyl-3-oxo-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate
—— ethyl (2E,5S)-5-(3,4-dimethoxyphenyl)-2-[[2-[2-(2-methoxyphenoxy)ethoxy]phenyl]methylidene]-7-methyl-3-oxo-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate —— C34H34N2O8S
ethyl (2E,5S)-5-(3,4-dimethoxyphenyl)-2-[[2-[2-(2-methoxyphenoxy)ethoxy]phenyl]methylidene]-7-methyl-3-oxo-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate
—— (E)-2-amino-7-(1-aminoethylideneamino)-3-methylhept-3-enoic acid —— C10H19N3O2
(E)-2-amino-7-(1-aminoethylideneamino)-3-methylhept-3-enoic acid
—— ethyl 4-[[(6S)-6-[(4-ethoxyphenyl)carbamoyl]-3-[2-(4-methoxyphenyl)ethyl]-4-oxo-1,3-thiazinan-2-ylidene]amino]benzoate —— C31H33N3O6S
ethyl 4-[[(6S)-6-[(4-ethoxyphenyl)carbamoyl]-3-[2-(4-methoxyphenyl)ethyl]-4-oxo-1,3-thiazinan-2-ylidene]amino]benzoate
—— ethyl (2Z,5S)-5-(4-acetyloxy-3-methoxyphenyl)-2-[[5-(3-bromophenyl)furan-2-yl]methylidene]-7-methyl-3-oxo-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate —— C30H25BrN2O7S
ethyl (2Z,5S)-5-(4-acetyloxy-3-methoxyphenyl)-2-[[5-(3-bromophenyl)furan-2-yl]methylidene]-7-methyl-3-oxo-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate
—— (E)-2-amino-7-(1-aminoethylideneamino)-5-fluoro-2-methylhept-5-enoic acid —— C10H18FN3O2
(E)-2-amino-7-(1-aminoethylideneamino)-5-fluoro-2-methylhept-5-enoic acid
—— ethyl (2E,5S)-2-[[4-(benzenesulfonyloxy)-3-methoxyphenyl]methylidene]-5-(4-methoxyphenyl)-7-methyl-3-oxo-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate —— C31H28N2O8S2
ethyl (2E,5S)-2-[[4-(benzenesulfonyloxy)-3-methoxyphenyl]methylidene]-5-(4-methoxyphenyl)-7-methyl-3-oxo-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate
—— ethyl (2Z,5S)-2-[[1-[(3-chlorophenyl)methyl]-2-methylindol-3-yl]methylidene]-7-methyl-5-(4-methylsulfanylphenyl)-3-oxo-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate —— C34H30ClN3O3S2
ethyl (2Z,5S)-2-[[1-[(3-chlorophenyl)methyl]-2-methylindol-3-yl]methylidene]-7-methyl-5-(4-methylsulfanylphenyl)-3-oxo-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate
—— ethyl (2E,5R)-2-[[2-[2-(4-hexylphenoxy)ethoxy]phenyl]methylidene]-5-(4-methoxyphenyl)-7-methyl-3-oxo-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate —— C38H42N2O6S
ethyl (2E,5R)-2-[[2-[2-(4-hexylphenoxy)ethoxy]phenyl]methylidene]-5-(4-methoxyphenyl)-7-methyl-3-oxo-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate
—— ethyl (2Z,7R)-7-(3-aminophenyl)-6-bromo-2-[(3-bromophenyl)methylidene]-5-cyano-3-oxo-7H-[1,3]thiazolo[3,2-a]pyridine-8-carboxylate —— C24H17Br2N3O3S
ethyl (2Z,7R)-7-(3-aminophenyl)-6-bromo-2-[(3-bromophenyl)methylidene]-5-cyano-3-oxo-7H-[1,3]thiazolo[3,2-a]pyridine-8-carboxylate
—— ethyl (2E,5S)-2-[[3-chloro-5-methoxy-4-(naphthalen-1-ylmethoxy)phenyl]methylidene]-7-methyl-3-oxo-5-phenyl-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate —— C35H29ClN2O5S
ethyl (2E,5S)-2-[[3-chloro-5-methoxy-4-(naphthalen-1-ylmethoxy)phenyl]methylidene]-7-methyl-3-oxo-5-phenyl-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate
—— ethyl (Z)-2-pyrrolidin-1-ylbut-2-enoate —— C10H17NO2
ethyl (Z)-2-pyrrolidin-1-ylbut-2-enoate
—— ethyl (2E,5R)-2-[[4-[(2,4-dichlorophenyl)methoxy]-3-methoxyphenyl]methylidene]-7-methyl-3-oxo-5-phenyl-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate —— C31H26Cl2N2O5S
ethyl (2E,5R)-2-[[4-[(2,4-dichlorophenyl)methoxy]-3-methoxyphenyl]methylidene]-7-methyl-3-oxo-5-phenyl-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate
—— ethyl (2Z,5S)-2-[(3-bromo-5-ethoxy-4-methoxyphenyl)methylidene]-7-methyl-5-(4-methylsulfanylphenyl)-3-oxo-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate —— C27H27BrN2O5S2
ethyl (2Z,5S)-2-[(3-bromo-5-ethoxy-4-methoxyphenyl)methylidene]-7-methyl-5-(4-methylsulfanylphenyl)-3-oxo-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate
—— ethyl (2Z,5S)-2-[(1-benzyl-2-methylindol-3-yl)methylidene]-7-methyl-3-oxo-5-thiophen-2-yl-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate —— C31H27N3O3S2
ethyl (2Z,5S)-2-[(1-benzyl-2-methylindol-3-yl)methylidene]-7-methyl-3-oxo-5-thiophen-2-yl-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate
—— ethyl (2E,5S)-2-[[2-[2-(4-hexylphenoxy)ethoxy]phenyl]methylidene]-5-(4-methoxyphenyl)-7-methyl-3-oxo-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate —— C38H42N2O6S
ethyl (2E,5S)-2-[[2-[2-(4-hexylphenoxy)ethoxy]phenyl]methylidene]-5-(4-methoxyphenyl)-7-methyl-3-oxo-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate
—— (E)-3-(2,4-dichlorophenyl)-1-[(1S,6R)-7-oxabicyclo[4.1.0]heptan-1-yl]prop-2-en-1-one —— C15H14Cl2O2
(E)-3-(2,4-dichlorophenyl)-1-[(1S,6R)-7-oxabicyclo[4.1.0]heptan-1-yl]prop-2-en-1-one
—— ethyl (2E,5S)-2-[[4-[(2,4-dichlorophenyl)methoxy]-3-methoxyphenyl]methylidene]-7-methyl-3-oxo-5-phenyl-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate —— C31H26Cl2N2O5S
ethyl (2E,5S)-2-[[4-[(2,4-dichlorophenyl)methoxy]-3-methoxyphenyl]methylidene]-7-methyl-3-oxo-5-phenyl-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate
—— (E)-N-(2-ethoxybenzyl)cinnamamidine —— C18H20N2O
(E)-N-(2-ethoxybenzyl)cinnamamidine
—— ethyl (2E,5S)-2-[[3-bromo-5-methoxy-4-(naphthalen-1-ylmethoxy)phenyl]methylidene]-7-methyl-3-oxo-5-phenyl-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate —— C35H29BrN2O5S
ethyl (2E,5S)-2-[[3-bromo-5-methoxy-4-(naphthalen-1-ylmethoxy)phenyl]methylidene]-7-methyl-3-oxo-5-phenyl-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate
—— ethyl (2Z,5S)-2-[[3-(4-butoxyphenyl)-1-phenylpyrazol-4-yl]methylidene]-5-(4-methoxyphenyl)-7-methyl-3-oxo-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate —— C37H36N4O5S
ethyl (2Z,5S)-2-[[3-(4-butoxyphenyl)-1-phenylpyrazol-4-yl]methylidene]-5-(4-methoxyphenyl)-7-methyl-3-oxo-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate
—— ethyl (2Z,5R)-7-methyl-2-[(5-methyl-2-phenyl-1H-indol-3-yl)methylidene]-3-oxo-5-thiophen-2-yl-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate —— C30H25N3O3S2
ethyl (2Z,5R)-7-methyl-2-[(5-methyl-2-phenyl-1H-indol-3-yl)methylidene]-3-oxo-5-thiophen-2-yl-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate
—— ethyl (2E,5S)-5-(4-chlorophenyl)-2-[[5-(2-methoxycarbonylphenyl)furan-2-yl]methylidene]-7-methyl-3-oxo-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate —— C29H23ClN2O6S
ethyl (2E,5S)-5-(4-chlorophenyl)-2-[[5-(2-methoxycarbonylphenyl)furan-2-yl]methylidene]-7-methyl-3-oxo-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate
—— ethyl 2-[(2S)-1-[3-[(Z)-[3-[(4-methylphenyl)methyl]-4-oxo-2-sulfanylidene-1,3-thiazolidin-5-ylidene]methyl]-4-oxopyrido[1,2-a]pyrimidin-2-yl]-3-oxopiperazin-2-yl]acetate —— C28H27N5O5S2
ethyl 2-[(2S)-1-[3-[(Z)-[3-[(4-methylphenyl)methyl]-4-oxo-2-sulfanylidene-1,3-thiazolidin-5-ylidene]methyl]-4-oxopyrido[1,2-a]pyrimidin-2-yl]-3-oxopiperazin-2-yl]acetate
—— ethyl (2E,5S)-2-[[4-[2-(3,5-dimethylphenoxy)ethoxy]-3-methoxyphenyl]methylidene]-5-(4-methoxyphenyl)-7-methyl-3-oxo-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate —— C35H36N2O7S
ethyl (2E,5S)-2-[[4-[2-(3,5-dimethylphenoxy)ethoxy]-3-methoxyphenyl]methylidene]-5-(4-methoxyphenyl)-7-methyl-3-oxo-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate
—— Eutyscoparol G —— C11H10O4
Eutyscoparol G
—— ethyl (2Z,5R)-2-[(3-bromo-5-chloro-2-hydroxyphenyl)methylidene]-7-methyl-3-oxo-5-thiophen-2-yl-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate —— C21H16BrClN2O4S2
ethyl (2Z,5R)-2-[(3-bromo-5-chloro-2-hydroxyphenyl)methylidene]-7-methyl-3-oxo-5-thiophen-2-yl-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate
—— ethyl (2E,5R)-2-[[3-methoxy-4-[2-(3-methoxyphenoxy)ethoxy]phenyl]methylidene]-7-methyl-3-oxo-5-phenyl-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate —— C33H32N2O7S
ethyl (2E,5R)-2-[[3-methoxy-4-[2-(3-methoxyphenoxy)ethoxy]phenyl]methylidene]-7-methyl-3-oxo-5-phenyl-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate
—— ethyl (2E,5R)-2-[[3-bromo-5-methoxy-4-(naphthalen-1-ylmethoxy)phenyl]methylidene]-7-methyl-3-oxo-5-phenyl-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate —— C35H29BrN2O5S
ethyl (2E,5R)-2-[[3-bromo-5-methoxy-4-(naphthalen-1-ylmethoxy)phenyl]methylidene]-7-methyl-3-oxo-5-phenyl-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate
—— ethyl (2Z,5S)-2-[[1-[(4-chlorophenyl)methyl]-2-methylindol-3-yl]methylidene]-7-methyl-3-oxo-5-thiophen-2-yl-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate —— C31H26ClN3O3S2
ethyl (2Z,5S)-2-[[1-[(4-chlorophenyl)methyl]-2-methylindol-3-yl]methylidene]-7-methyl-3-oxo-5-thiophen-2-yl-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate
—— [(E)-4-hydroxy-3-methylbut-2-enyl] dihydrogen phosphate —— C5H11O5P
[(E)-4-hydroxy-3-methylbut-2-enyl] dihydrogen phosphate
—— ethyl 2-[(2S)-2-(4-chlorophenyl)-3-[hydroxy-(4-methoxy-3-methylphenyl)methylidene]-4,5-dioxopyrrolidin-1-yl]-4-methyl-1,3-thiazole-5-carboxylate —— C26H23ClN2O6S
ethyl 2-[(2S)-2-(4-chlorophenyl)-3-[hydroxy-(4-methoxy-3-methylphenyl)methylidene]-4,5-dioxopyrrolidin-1-yl]-4-methyl-1,3-thiazole-5-carboxylate
—— ethyl (1SR, 5RS, 6SR)-2-oxobicyclo[3.1.0]hex-3-ene-6-carboxylate —— C9H10O3
ethyl (1SR, 5RS, 6SR)-2-oxobicyclo[3.1.0]hex-3-ene-6-carboxylate
—— ethyl 2-[(2R)-1-[3-[(Z)-(3-benzyl-4-oxo-2-sulfanylidene-1,3-thiazolidin-5-ylidene)methyl]-4-oxopyrido[1,2-a]pyrimidin-2-yl]-3-oxopiperazin-2-yl]acetate —— C27H25N5O5S2
ethyl 2-[(2R)-1-[3-[(Z)-(3-benzyl-4-oxo-2-sulfanylidene-1,3-thiazolidin-5-ylidene)methyl]-4-oxopyrido[1,2-a]pyrimidin-2-yl]-3-oxopiperazin-2-yl]acetate
—— ethyl 2-[(1R)-1-(4-nitrophenyl)-3,9-dioxo-1H-chromeno[2,3-c]pyrrol-2-yl]-1,3-benzothiazole-6-carboxylate —— C27H17N3O7S
ethyl 2-[(1R)-1-(4-nitrophenyl)-3,9-dioxo-1H-chromeno[2,3-c]pyrrol-2-yl]-1,3-benzothiazole-6-carboxylate
—— (E)-3-(2,4-dichlorophenyl)-1-[(1R,6S)-7-oxabicyclo[4.1.0]heptan-1-yl]prop-2-en-1-one —— C15H14Cl2O2
(E)-3-(2,4-dichlorophenyl)-1-[(1R,6S)-7-oxabicyclo[4.1.0]heptan-1-yl]prop-2-en-1-one
—— ethyl 2-[(2R)-2-(4-chlorophenyl)-3-[hydroxy-(4-methoxy-3-methylphenyl)methylidene]-4,5-dioxopyrrolidin-1-yl]-4-methyl-1,3-thiazole-5-carboxylate —— C26H23ClN2O6S
ethyl 2-[(2R)-2-(4-chlorophenyl)-3-[hydroxy-(4-methoxy-3-methylphenyl)methylidene]-4,5-dioxopyrrolidin-1-yl]-4-methyl-1,3-thiazole-5-carboxylate
—— ethyl 2-[(5R)-4-[hydroxy-(4-methoxy-3-methylphenyl)methylidene]-2,3-dioxo-5-(3-phenoxyphenyl)pyrrolidin-1-yl]-4-methyl-1,3-thiazole-5-carboxylate —— C32H28N2O7S
ethyl 2-[(5R)-4-[hydroxy-(4-methoxy-3-methylphenyl)methylidene]-2,3-dioxo-5-(3-phenoxyphenyl)pyrrolidin-1-yl]-4-methyl-1,3-thiazole-5-carboxylate
—— ethyl 2-[(2S)-3-[hydroxy-(4-methoxy-3-methylphenyl)methylidene]-2-(4-nitrophenyl)-4,5-dioxopyrrolidin-1-yl]-4-methyl-1,3-thiazole-5-carboxylate —— C26H23N3O8S
ethyl 2-[(2S)-3-[hydroxy-(4-methoxy-3-methylphenyl)methylidene]-2-(4-nitrophenyl)-4,5-dioxopyrrolidin-1-yl]-4-methyl-1,3-thiazole-5-carboxylate