Sodium (4-((4-nitrophenyl)azo)anilino)methanesulphonate, Methanesulfonic acid,1-((4-(2-(4-nitrophenyl)diazenyl)phenyl)amino)-,sodium salt (1:1), Methanesulfonic acid,((4-((4-nitrophenyl)azo)phenyl)amino)-,sodium salt
1H-Naphth[1,2-d]imidazole-7-sulfonicacid,1-[(2-chlorophenyl)amino]-9-hydroxy-2-methyl-,monosodium salt (9CI), EINECS 288-762-2, 1H-Naphth[1,2-d]imidazole-7-sulfonicacid,1-[(2-chlorophenyl)amino]-9-hydroxy-2-methyl-,sodium salt (1:1)