(4-(alpha-(4-(Dimethylamino)phenyl)benzylidene)cyclohexa-2,5-dien-1-ylidene)dimethylammonium benzoate 10309-95-2 68527-61-7 EINECS 271-270-7 Methanaminium, N-(4-((4-(dimethylamino)phenyl)phenylmethylene)-2,5-cyclohexadien-1-ylidene)-N-methyl-, benzoate