4-(p-Aminophenylazo)benzoic acid 4-Aminoazobenzene-4'-carboxylic acid 6925-48-0 AI3-52563 Benzoic acid, 4-((4-aminophenyl)azo)- Benzoic acid, p-((p-aminophenyl)azo)- EINECS 230-047-4 NSC 60414 p-((p-Aminophenyl)azo)benzoic acid