1H-Pyrrole-3-carboxylic acid, 4,5-dihydro-4-[(2-hydroxy-3-methoxyphenyl)methylene]-2-methyl-1-(4-methylphenyl)-5-oxo-, ethyl ester, (4Z)-;Ethyl (4Z)-4-(2-hydroxy-3-methoxybenzylidene)-2-methyl-1-(4-methylphenyl)-5-oxo-4,5-dihydro-1H-pyrrole-3-carboxylate
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