2-Naphthalenesulfonic acid, 5-((4-((4-((4-aminophenyl)azo)-6-sulfo-1-naphthalenyl)azo)-6-sulfo-1-naphthalenyl)azo)-6-hydroxy-, trisodium salt 2-Naphthalenesulfonic acid, 8-((4-((4-aminophenyl)azo)-6-sulfo-1-naphthalenyl)azo)-5-((2-hydroxy-6-sulfo-1-naphthalenyl)azo)-, trisodium salt 3626-30-0 EINECS 222-836-7 Trisodium 8-((4-((4-aminophenyl)azo)-6-sulphonatonaphthyl)azo)-5-((2-hydroxy-6-sulphonatonaphthyl)azo)naphthalene-2-sulphonate