Synonyms: Benzenesulfonicacid, 4-(acetylamino)-, [(2,4-dichlorophenyl)methylene]hydrazide (9CI);Sulfanilic acid, N-acetyl-, (2,4-dichlorobenzylidene)hydrazide (6CI,7CI);Benzaldehyde, 2,4-dichloro-, (N-acetylsulfanilyl)hydrazone (6CI); Hydrazine,1-(N-acetylsulfanilyl)-2-[2,4-dichlorobenzylidene]- (6CI); NSC 22643