94481-43-3 Benzenemethanaminium, N-(4-((4-(diethylamino)phenyl)(4-(ethyl((3(or 4)-sulfophenyl)methyl)amino)phenyl)methylene)-2,5-cyclohexadien-1-ylidene)-N-ethyl-3(or 4)-sulfo-, hydroxide, inner salt EINECS 305-372-0 Hydrogen (4-((4-(diethylamino)phenyl)(4-(ethyl(3(or 4)-sulphonatobenzyl)amino)phenyl)methylene)cyclohexa-2,5-dien-1-ylidene)(ethyl)(3(or 4)-sulphonatobenzyl)ammonium