4-Carboxy-4'-(dimethylamino)azobenzene 4-Dimethylamino-4'-carboxylazobenzene 6268-49-1 Benzoic acid, 4-[[4-(dimethylamino)phenyl]azo]- Benzoic acid, p-[[p-(dimethylamino)phenyl]azo]- N,N-Dimethyl-p-aminobenzeneazobenzoic acid NSC36265