2-Naphthalenesulfonic acid, 5-((4-((4-(acetylamino)phenyl)azo)-7-sulfo-1-naphthalenyl)azo)-8-((2-hydroxy-6-sulfo-1-naphthalenyl)azo)-, trisodium salt 5-((4-((4-(Acetylamino)phenyl)azo)-7-sulfo-1-naphthalenyl)azo)-8-((2-hydroxy-6-sulfo-1-naphthalenyl)azo)-2-naphthalenesulfonic acid, trisodium salt 67906-45-0 EINECS 267-712-3 Trisodium 5-((4-((4-acetamidophenyl)azo)-7-sulphonatonaphthyl)azo)-8-((2-hydroxy-6-sulphonatonaphthyl)azo)naphthalene-2-sulphonate