71278-41-6 Benzoic acid, 2-((2-amino-6-((3,3'-dimethoxy-4'-((6-sulfo-1-naphthalenyl)azo)(1,1'-biphenyl)-4-yl)azo)-5-hydroxy-7-sulfo-1-naphthalenyl)azo)-5-nitro-, disodium salt Disodium hydrogen 2-((2-amino-6-((3,3'-dimethoxy-4'-((1-naphthyl-6-sulphonato)azo)(1,1'-biphenyl)-4-yl)azo)-5-hydroxy-1-naphthyl-7-sulphonato)azo)-5-nitrobenzoate EINECS 275-307-8