Synonyms: Benzenemethanaminium, N-(4-((4-(diethylamino)phenyl)(4-(ethyl((3-sulfophenyl)methyl)amino)-2-methylphenyl)methylene)-3-methyl-2,5-cyclohexadien-1-ylidene)-N-ethyl-3-sulfo-, inner salt, barium salt (2:1);Benzenemethanaminium, N-(4-((4-(diethylamino)phenyl)(4-(ethyl((3-sulfophenyl)methyl)amino)-2-methylphenyl)methylene)-3-methyl-2,5-cyclohexadien-1-ylidene)-N-ethyl-3-sulfo-, inner salt, barium salt;Dihydrogen bis((4-((4-(diethylamino)phenyl)(4-(ethyl(3-sulphonatobenzyl)amino)-o-tolyl)methylene)-3-methylcyclohexa-2,5-dien-1-ylidene)(ethyl)(3-sulphonatobenzyl)ammonium), barium salt