(4-((4-(Dimethylamino)phenyl)(4-(methylamino)phenyl)methylene)cyclohexa-2,5-dien-1-ylidene)dimethylammonium acetate 84434-47-9 EINECS 282-846-2 Methanaminium, N-(4-((4-(dimethylamino)phenyl)(4-(methylamino)phenyl)methylene)-2,5-cyclohexadien-1-ylidene)-N-methyl-, acetate