Dimethyl[4-[[4-(dimethylamino)phenyl][4-(trimethylaminio)phenyl]methylene]-2,5-cyclohexadiene-1-ylidene]aminium

4-[[4-(Dimethylamino)phenyl][4-(dimethyliminio)-2,5-cyclohexadien-1-ylidene]methyl]-N,N,N-trimethylbenzenaminium