Synonyms: Diazenecarboxaldehyde,2-(4-methylphenyl)-a-nitro-, (4-methylphenyl)hydrazone (9CI); Formazan,1,5-bis(4-methylphenyl)-3-nitro-; Formazan, 3-nitro-1,5-di-p-tolyl- (8CI);3-Nitro-1,5-bis(4-methylphenyl)formazan;3-Nitro-1,5-di(4-methylphenyl)formazan; 3-Nitro-1,5-di-p-tolylformazan; NSC126602