hydrogen [4-[[4-(diethylamino)phenyl][4-[ethyl(sulphonatobenzyl)amino]phenyl]methylene]cyclohexa-2,5-dien-1-ylidene](ethyl)(sulphonatobenzyl)ammonium, sodium salt

Benzenemethanaminium, N-[4-[[4-(diethylamino)phenyl][4-[ethyl[(sulfophenyl)methyl]amino]phenyl]methylene]-2,5-cyclohexadien-1-ylidene]- N-ethyl-ar-sulfo-, inner salt, sodium salt

Benzenemethanaminium, N-[4-[[4-(diethylamino)phenyl] [4-[ethyl[(sulfophenyl)methyl]amino]phenyl]methylene ]-2,5-cyclohexadien-1-ylidene]-N-ethyl-ar-sulf o-, hydroxide, inner salt, sodium salt