7-[(3-Aminobenzoyl)amino]-3-[[2,5-dimethoxy-4-[[7-sulfo-4-[(3-sulfophenyl)azo]-1-naphthalenyl]azo]phenyl]azo]-4-hydroxy-2-naphthalenesulfonic acid trisodium salt
7-[(3-Aminobenzoyl)amino]-3-[[2,5-dimethoxy-4-[[7-sulfo-4-[(3-sulfophenyl)azo]-1-naphthalenyl]azo]phenyl]azo]-4-hydroxy-2-naphthalenesulfonic acid trisodium salt