6771-94-4 Benzoic acid, 5-((4-((6-((4-aminobenzoyl)amino)-1-hydroxy-3-sulfo-2-naphthalenyl)azo)benzoyl)amino)-2-hydroxy-, disodium salt Disodium 5-((4-((6-((4-aminobenzoyl)amino)-1-hydroxy-3-sulphonato-2-naphthyl)azo)benzoyl)amino)salicylate EINECS 229-834-5