(4-((4-(Diethylamino)phenyl)phenylmethylene)-2,5-cyclohexadien-1-ylidene)diethylammonium chloride 3571-36-6 EINECS 222-676-8 Ethanaminium, N-(4-((4-(diethylamino)phenyl)phenylmethylene)-2,5-cyclohexadien-1-ylidene)-N-ethyl-, chloride