4-Amino-3-[[4'-[(8-amino-1-hydroxy-3,6-disulfo-2-naphtyl)azo]-1,1'-biphenyl-4-yl]azo]-5-hydroxy-6-[(4-sulfophenyl)azo]-2,7-naphthalenedisulfonic acid

4-amino-3-[[4'-[(8-amino-1-hydroxy-3,6-disulpho-2-naphthyl)azo][1,1'-biphenyl]-4-yl]azo]-5-hydroxy-6-[(4-sulphophenyl)azo]naphthalene-2,7-disulphonic acid

4-Amino-3-[[4'-[(8-amino-1-hydroxy-3,6-disulfo-2-naphthalenyl)azo][1,1'-biphenyl]-4-yl]azo]-5-hydroxy-6-[(4-sulfophenyl)azo]-2,7-naphthalenedisulfonic acid