113833-55-9 Methanaminium, N-(4-((4-(dimethylamino)phenyl)(4-((2-hydroxyethyl)amino)phenyl)methylene)-2,5-cyclohexadien-1-ylidene)-N-methyl-, chloride Methanaminium, N-(4-(dimethylamino)phenyl(4-((2-hydroxyethylamino)phenyl)methylene)-2,5-cyclohexadien-1-ylidene)-N-methyl-, chloride