2-Naphthalenesulfonic acid, 3-((4'-((4-hydroxy-3-benzoic acid)azo)-3,3'-dimethyl(1,1'-biphenyl)-4-yl)azo)-6-amino-4-hydroxy-, disodium salt 68092-52-4 Benzoic acid, 5-((4'-((2-amino-8-hydroxy-6-sulfo-7-naphthalenyl)azo)(3,3'-dimethyl(1,1'-biphenyl))-4-yl)azo)-2-hydroxy-, disodium salt Benzoic acid, 5-((4'-((7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo)-3,3'-dimethyl(1,1'-biphenyl)-4-yl)azo)-2-hydroxy-, disodium salt Disodium 5-((4'-((7-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo)-3,3'-dimethyl(1,1'-biphenyl)-4-yl)azo)salicylate EINECS 268-464-9