5873-25-6 7-Benzoylamino-4-hydroxy-3-[[2-methyl-4-[(2-methyl-4-sodiosulfophenyl)azo]phenyl]azo]naphthalene-2-sulfonic acid sodium salt
5873-31-4 7-[(4-Aminobenzoyl)amino]-4-hydroxy-3-[[4-[(5-hydroxy-6-phenylazo-7-sodiosulfo-2-naphthalenyl)aminocarbonyl]phenyl]azo]naphthalene-2-sulfonic acid sodium salt