85749-99-1 3-[[4-[(6-amino-1-hydroxy-3-sulpho-2-naphthyl)azo][1,1-biphenyl]-4-yl]azo]-4-hydroxynaphthalene-2,7-disulphonic acid, sodium salt
85750-05-6 4-amino-5-hydroxy-3-[[4-[(2-hydroxy-1-naphthyl)azo][1,1-biphenyl]-4-yl]azo]-6-[(4-sulphophenyl)azo]naphthalene-2,7-disulphonic acid, sodium salt