2,7-Naphthalenedisulfonic acid, 4-amino-3-((4'-((2-amino-4-hydroxyphenyl)azo)-3,3'-dimethoxy(1,1'-biphenyl)-4-yl)azo)-5-hydroxy-6-((4-sulfophenyl)azo)-, trisodium salt 4-((1-Amino-3,6-disulfo-7-((p-sulfophenyl)azo)-8-hydroxy-2-naphthyl)azo)-4'-((2-amino-4-hydroxyphenyl)azo)-3,3'-dimethoxy-1,1'-biphenyl, trisodiumsalt 70632-08-5 EINECS 274-708-5 Trisodium 4-amino-3-((4'-((2-amino-4-hydroxyphenyl)azo)-3,3'-dimethoxy(1,1'-biphenyl)-4-yl)azo)-5-hydroxy-6-((4-sulphonatophenyl)azo)naphthalene-2,7-disulphonate