67990-23-2 Benzoic acid, 5-((4-((6-((4-aminophenyl)azo)-5-amino-4-hydroxy-2,7-disulfo-3-naphthalenyl)azo)phenyl)azo)-2-hydroxy-, trisodium salt Benzoic acid, 5-((4-((8-amino-7-((4-aminophenyl)azo)-1-hydroxy-3,6-disulfo-2-naphthalenyl)azo)phenyl)azo)-2-hydroxy-, trisodium salt EINECS 268-046-6 Trisodium 5-((4-((8-amino-7-((4-aminophenyl)azo)-1-hydroxy-3,6-disulphonato-2-naphthyl)azo)phenyl)azo)salicylate