103516-81-0 2-Naphthalenesulfonic acid,3-[[4-[[4-(acetylamino)phenyl]azo]-7-sulfo-1-naphthalenyl]azo]-4-hydroxy-6-[(3-sulfophenyl)amino]-, trisodium salt
103516-87-6 2-Naphthalenesulfonic acid,3-[[4-[[4-[(butylamino)carbonyl]phenyl]azo]-7-sulfo-1-naphthalenyl]azo]-4-hydroxy-6-[(3-sulfophenyl)amino]-, trisodium salt