1-Naphthalenesulfonicacid, 4-hydroxy-3-[[2-methyl-4-[(2-methyl-4-sulfophenyl)azo]phenyl]azo]-,disodium salt (9CI); 1-Naphthalenesulfonic acid,4-hydroxy-3-[[4-[(4-sulfo-o-tolyl)azo]-o-tolyl]azo]-, disodium salt (8CI); C.I.26670; Lithol Bordeaux BN; Lithol Orange BN; NSC 9860; Nylon Fast Red MPL;Orseilline BB