65072-26-6 Benzoic acid, 4-((1-hydroxy-6-((((5-hydroxy-7-sulfo-2-naphthalenyl)amino)carbonyl)amino)-3-sulfo-2-naphthalenyl)azo)-, trisodium salt EINECS 265-364-7 Trisodium 4-((1-hydroxy-6-((((5-hydroxy-7-sulphonato-2-naphthyl)amino)carbonyl)amino)-3-sulphonato-2-naphthyl)azo)benzoate