4-dicyanomethylene-2,6-dimethyl-1,4-dihydropyridine-N-(3-[N,N-dimethylamino]-propane) 、
2-[2-(2-iodoethoxy)ethoxy]ethanol 以
DMF (N,N-dimethyl-formamide) 为溶剂,
生成 4-dicyanomethylene-2,6-dimethyl-1,4-dihydropyridine-N-[3-(N,N-dimethyl-N-(ethoxy-ethoxy-ethanol-yl)-propyl)-ammonium iodide]