2,7-Naphthalenedisulfonic acid, 5-amino-3-((4'-((6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo)-3,3'-dimethoxy(1,1'-biphenyl)-4-yl)azo)-4-hydroxy-,trisodium salt 73287-56-6 8-Amino-2-((4'-((6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo)-3,3'-dimethoxy-(1,1'-biphenyl)-4-yl)azo)-1-hydroxy-3,6-naphthalenedisulfonic acid, trisodium salt EINECS 277-356-0 Trisodium 5-amino-3-((4'-((6-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo)-3,3'-dimethoxy(1,1'-biphenyl)-4-yl)azo)-4-hydroxynaphthalene-2,7-disulphonate