6358-79-8 4-Hydroxy-7-[[[[5-hydroxy-6-[(2-methylphenyl)azo]-7-sulfo-2-naphtyl]amino]carbonyl]amino]-3-[(4-sulfophenyl)azo]-2-naphthalenesulfonic acid trisodium salt
63589-11-7 5-[[2,4-Dihydroxy-5-[(2-hydroxy-4,6-dinitrophenyl)azo]phenyl]azo]-4-hydroxy-3-[(4-nitrophenyl)azo]-2,7-naphthalenedisulfonic acid disodium salt