12220-28-9 71775-19-4 EINECS 235-407-4 Hydrogen 3-(2,6-dimethylanilino)-6-(2,6-dimethylsulphonatoanilino)-9-(2-sulphonatophenyl)xanthylium, monosodium salt Xanthylium, 3-((2,6-dimethylphenyl)amino)-6-((2,6-dimethylsulfophenyl)amino)-9-(2-sulfophenyl)-, inner salt, monosodium salt Xanthylium,3-((2,6-dimethylphenyl)amino)-6-((2,6-dimethylsulfophenyl)amino)-9-(2-sulfophenyl)-, Na