119034-04-7 1H-Pyrrole-2-carboxaldehyde, 1-methyl-, 4-(p-butoxyphenyl)semicarbazone Hydrazinecarboxamide, N-(4-butoxyphenyl)-2-((1-methyl-1H-pyrrol-2-yl)methylene)- (9CI) Semicarbazide, 4-(p-butoxyphenyl)-1-((1-methyl-2-pyrrolyl)methylene)-