119034-03-6 1H-Pyrrole-2-carboxaldehyde, 4-(p-butoxyphenyl)semicarbazone Hydrazinecarboxamide, N-(4-butoxyphenyl)-2-(1H-pyrrol-2-ylmethylene)- (9CI) Semicarbazide, 4-(p-butoxyphenyl)-1-(2-pyrrolylmethylene)-