5873-27-8 7-Benzoylamino-4-hydroxy-3-[[2-methoxy-4-[(4-sodiosulfophenyl)azo]phenyl]azo]naphthalene-2-sulfonic acid sodium salt
5873-32-5 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