2-Naphthalenesulfonic acid, 4-hydroxy-7-((((5-hydroxy-6-((2-methoxyphenyl)azo)-7-sulfo-2-naphthalenyl)amino)carbonyl)amino)-3-((2-methoxy-5-sulfophenyl)azo)-, trisodium salt 4-Hydroxy-7-((((5-hydroxy-6-((2-methoxyphenyl)azo)-7-sulfo-2-naphthalenyl)amino)carbonyl)amino)-3-((2-methoxy-5-sulfophenyl)azo)-2-naphthalenesulfonic acid, trisodium salt 68084-15-1 EINECS 268-427-7 Trisodium 4-hydroxy-7-((((5-hydroxy-6-((2-methoxyphenyl)azo)-7-sulphonato-2-naphthyl)amino)carbonyl)amino)-3-((2-methoxy-5-sulphonatophenyl)azo)naphthalene-2-sulphonate