2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-6-((4'-((1-hydroxy-4-sulfo-2-naphthyl)azo)-3,3'-dimethoxy-4-biphenylyl)azo)-, trilithium salt 2,7-Naphthalenedisulfonic acid, 5-amino-4-hydroxy-3-((4'-((1-hydroxy-4-sulfo-2-naphthalenyl)azo)-3,3'-dimethoxy(1,1'-biphenyl)-4-yl)azo)-, trilithium salt 67923-89-1 EINECS 267-794-0 Trilithium 5-amino-4-hydroxy-3-((4'-((1-hydroxy-4-sulphonato-2-naphthyl)azo)-3,3'-dimethoxy(1,1'-biphenyl)-4-yl)azo)naphthalene-2,7-disulphonate