2-Naphthalenesulfonicacid,3-[[4-[(4-amino-7-sulfo-1-naphthalenyl)azo]phenyl]azo]-6-[(2,4-diaminophenyl)azo]-4-hydroxy-,disodium salt (9CI); 2-Naphthalenesulfonic acid,5'-amino-6-[(2,4-diaminophenyl)azo]-4-hydroxy-3,8'-[p-phenylenebis(azo)]di-,disodium salt (8CI)