6451-08-7 3-[[4-[(4-Amino-3-sodiosulfophenyl)azo]-2-ethoxy-1-naphthalenyl]azo]-4-hydroxy-7-[[3-[(2,4-dihydroxyphenyl)azo]benzoyl]amino]naphthalene-2-sulfonic acid sodium salt
6451-07-6 5-[[4-[[8-Amino-1-hydroxy-7-(phenylazo)-3,5-bis(sodiosulfo)-2-naphthalenyl]azo]-1-naphthalenyl]azo]-2-hydroxybenzoic acid sodium salt