5-[(4-chlorophenyl)azo]salicylic acid 4-Hydroxy-4'-chloroazobenzene-3-carboxylic acid 5-(4-Chlorophenylazo)-2-hydroxybenzoic acid 5-[(4-Chlorophenyl)azo]-2-hydroxybenzoic acid Einecs 244-397-0 Benzoic acid, 5-[2-(4-chlorophenyl)diazenyl]-2-hydroxy-