2,4-Dichlorobenzaldehyde semicarbazone 4-07-00-00575 (Beilstein Handbook Reference) 62036-34-4 AI3-51992 BENZALDEHYDE, 2,4-DICHLORO-, SEMICARBAZONE BRN 3286244 Hydrazinecarboxamide, 2-((2,4-dichlorophenyl)methylene)-