C.I. 42535, 4-(bis(4-(dimethylamino)phenyl)methylene)cyclohexa-2,5-dien-1-iminium chloride, Benzenamine, 4,4'-[(4-imino-2,5-cyclohexadien-1-ylidene)methylene]bis[N,N-dimethyl-, hydrochloride, 4,4'-[(4-iminocyclohexa-2,5-dien-1-ylidene)methylene]bis[N,N-dimethylaniline] monohydrochloride, 4,4'-[(4-Imino-2,5-cyclohexadien-1-ylidene)methylene]bis(N,N-dimethylaniline) hydrochloride,