14855-76-6 Ammonium, [.alpha.-[p-(dimethylamino)phenyl]-.alpha.-[4-(dimethyliminio)-2,5-cyclohexadien-1-ylidene]-p-tolyl]ethyldimethyl-, bromide, chloride Benzenaminium, 4-[[4-(dimethylamino)phenyl][4-(dimethyliminio)-2,5-cyclohexadien-1-ylidene]methyl]-N-ethyl-N,N-dimethyl-, bromide chloride Methyl green NSC3091