1-((4'-((4''-((3'''-Sulfophenyl)azo)-7''-sulfonaphthyl)azo)-2',5'-dimethoxyphenyl)azo)-6-((p-aminobenzoyl)amino)-2-naphthol-4-sulfonic acid, trisodium salt 1-Naphthalenesulfonic acid, 7-((4-aminobenzoyl)amino)-4-((2,5-dimethoxy-4-((7-sulfo-4-((3-sulfophenyl)azo)-1-naphthalenyl)azo)phenyl)azo)-3-hydroxy-, trisodium salt 68214-03-9 EINECS 269-283-8 Trisodium 7-((4-aminobenzoyl)amino)-4-((2,5-dimethoxy-4-((7-sulphonato-4-((3-sulphonatophenyl)azo)naphthyl)azo)phenyl)azo)-3-hydroxynaphthalene-1-sulphonate