4-(alpha-(p-(diethylamino)phenyl)-(2,5-disulfobenzylidene)-2,5-cyclohexadien-1-ylidene)diethylammonium hydroxide inner salt, sodium salt
Ethanaminium, N-(4-((4-(diethylamino)phenyl)(2,5-disulfophenyl)methylene)-2,5-cyclohexadien-1-ylidene)-N-ethyl-, hydroxide, inner salt, sodium salt