7-[(4-Aminobenzoyl)amino]-4-hydroxy-3-[[4-[[5-hydroxy-6-[(4-methylphenyl)azo]-7-sodiosulfo-2-naphthalenyl]aminocarbonyl]phenyl]azo]naphthalene-2-sulfonic acid sodium salt
4-Hydroxy-7-[[4-[[4-[(1-hydroxy-4-sodiosulfo-2-naphthalenyl)azo]benzoyl]amino]benzoyl]amino]-3-[(4-methoxyphenyl)azo]naphthalene-2-sulfonic acid sodium salt
7-[(4-Aminobenzoyl)amino]-4-hydroxy-3-[[4-[[8-hydroxy-7-[(2,4-dimethylphenyl)azo]-6-sodiosulfo-2-naphthalenyl]aminocarbonyl]phenyl]azo]naphthalene-2-sulfonic acid sodium salt
7-[(4-Aminobenzoyl)amino]-4-hydroxy-3-[[4-[[8-hydroxy-7-[(4-methylphenyl)azo]-6-sodiosulfo-2-naphthalenyl]aminocarbonyl]phenyl]azo]naphthalene-2-sulfonic acid sodium salt