119034-17-2 1H-Pyrrole-2-carboxaldehyde, 4-(p-chlorophenyl)semicarbazone Hydrazinecarboxamide, N-(4-chlorophenyl)-2-(1H-pyrrol-2-ylmethylene)- (9CI) Semicarbazide, 4-(p-chlorophenyl)-1-(2-pyrrolylmethylene)-