2-Naphthalenesulfonic acid, 6-amino-3-((4-((4-((7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo)phenyl)amino)-3-sulfophenyl)azo)-4-hydroxy-, trisodium salt 2-Naphthalenesulfonic acid, 6-amino-4-hydroxy-3-((4-(4-((7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo)phenylamino)-3-sulfophenyl)azo), trisodium salt 6-Amino-3-((4-((4-((7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo)phenyl)amino)-3-sulfophenyl)azo)-4-hydroxy-2-naphthalenesulfonic acid, trisodium salt 67969-92-0 EINECS 267-993-2 Trisodium 6-amino-3-((4-((4-((7-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo)phenyl)amino)-3-sulphonatophenyl)azo)-4-hydroxynaphthalene-2-sulphonate