67923-89-1

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 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 5-Amino-4-hydroxy-3-[[4'-[(1-hydroxy-4-sulfo-2-naphthalenyl)azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]-2,7-naphthalenedisulfonic acid 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