2,7-Naphthalenedisulfonic acid, 4-amino-3-((4-(((4-((8-amino-1-hydroxy-5-sulfo-2-naphthalenyl)azo)phenyl)amino)carbonyl)phenyl)azo)-5-hydroxy-6-(phenylazo)-, trisodium salt 4-Amino-3-((4-(((4-((8-amino-1-hydroxy-5-sulfo-2-naphthalenyl)azo)phenyl)amino)carbonyl)phenyl)azo)-5-hydroxy-6-(phenylazo)-2,7-naphthalenedisulfonic acid, trisodium salt 72829-11-9 EINECS 276-903-0 Trisodium 4-amino-3-((4-(((4-((8-amino-1-hydroxy-5-sulphonato-2-naphthyl)azo)phenyl)amino)carbonyl)phenyl)azo)-5-hydroxy-6-(phenylazo)naphthalene-2,7-disulphonate