2-Naphthalenesulfonic acid, 8-((4-((4-aminophenyl)azo)-6-sulfo-1-naphthalenyl)azo)-5-((2-hydroxy-7-sulfo-1-naphthalenyl)azo)-, trisodium salt 68227-44-1 8-((4-((4-((p-Aminophenyl)azo)-6-sulfo-1-naphthyl)azo)-6-sulfo-1-naphthyl)azo)-7-hydroxy-2-naphthalenesulfonic acid, trisodium salt EINECS 269-356-4 Trisodium 8-((4-((4-aminophenyl)azo)-6-sulphonatonaphthyl)azo)-5-((2-hydroxy-7-sulphonatonaphthyl)azo)naphthalene-2-sulphonate