1H-pyrrole-3-carboxylic acid, 1-(3,5-dimethylphenyl)-4,5-dihydro-2-methyl-5-[(3-methyl-2-thienyl)methylene]-4-oxo-, methyl ester, (5Z)-;Methyl (5Z)-1-(3,5-dimethylphenyl)-2-methyl-5-[(3-methyl-2-thienyl)methylene]-4-oxo-4,5-dihydro-1H-pyrrole-3-carboxylate
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