(4-((2-Chlorophenyl)(4-(dimethylamino)phenyl)methylene)cyclohexa-2,5-dien-1-ylidene)dimethylammonium hydrogen sulphate 97338-16-4 EINECS 306-609-0 Methanaminium, N-(4-((2-chlorophenyl)(4-(dimethylamino)phenyl)methylene)-2,5-cyclohexadien-1-ylidene)-N-methyl-, sulfate (1:1)