68631-12-9 Benzoic acid, 5-((4'-((2,6-diamino-4-((8-hydroxy-3,6-disulfo-7-((4-sulfo-1-naphthalenyl)azo)-2-naphthalenyl)azo)phenyl)azo)-3,3'-dimethyl(1,1'-biphenyl)-4-yl)azo)-2-hydroxy-, tetrasodium salt EINECS 271-937-2 Tetrasodium 5-((4'-((2,6-diamino-4-((8-hydroxy-3,6-disulphonato-7-((4-sulphonato-1-naphthyl)azo)-2-naphthyl)azo)phenyl)azo)-3,3'-dimethyl(1,1'-biphenyl)-4-yl)azo)salicylate