2-Carboxy-4'-(dimethylamino)azobenzene 2-[(4-Dimethylamino)phenylazo]benzoic acid 4'-(Dimethylamino)azobenzene-2-carboxylic acid 4-Dimethylamino-2'-carboxylazobenzene 493-52-7 Benzoic acid, 2-[(4-dimethylamino)phenylazo]- Benzoic acid, 2-[[4-(dimethylamino)phenyl]azo]- Benzoic acid, o-[[p-(dimethylamino)phenyl]azo]- C.I. 13020 C.I. Acid Red 2 Methyl red NSC9597 WLN: QVR BNUNR DN1&1 o-Methyl red o-[[p-(Dimethylamino)phenyl]azo]benzoic acid p-(Dimethylamino)azobenzene-o-carboxylic acid p-Dimethylaminoazobenzene-o-carboxylic acid