Ethanaminium, N-(4-((4-(diethylamino)phenyl)(2,5-disulfophenyl)methylene)-2,5-cyclohexadien-1-ylidene)-N-ethyl-, hydroxide, inner salt, sodium salt
N-[4-[(4-(diethylamino)phenyl)(2,5-disulfophenyl)methylene]-2,5-cyclohexadien-1-ylidene]-N-ethyl-ethanaminium hydroxide