N-(1-ethyl-piperidin-2-ylmethyl)-2,5-bis-(2,2,2-trifluoro-ethoxy)-benzamide 、
碘甲烷 以to provide 2-[2,5-bis(2,2,2-trifluoroethoxy)benzamidomethyl]-1-ethyl-1-methylpiperidinium iodide as a white solid, m.p. 162° -165° C.的产率得到2-[2,5-bis(2,2,2-trifluoroethoxy)benzamidomethyl]-1-ethyl-1-methylpiperidinium iodide