2496-15-3 4'-Hydroxy-dab 4'-Hydroxydimethylaminoazobenzene 4'-OH-Dab 4-(p-Dimethylaminophenylazo)phenol 4-Hydroxy-4'-(dimethylamino)azobenzene NSC 127115 Phenol, 4-((4-(dimethylamino)phenyl)azo)- (9CI) Phenol, p-((p-(dimethylamino)phenyl)azo)- (8CI)