[5-(2-Ethylaminomethyl-4-trifluoromethyl-phenyl)-pyridin-3-yl]-acetic acid ethyl ester, dihydrochloride 、
(4,6-diethoxy-pyrimidin-2-yl)-acetic acid 以to provide {5-[2-({N-[2-(4,6-diethoxy-pyrimidin-2-yl)-acetyl]-N-ethyl-amino}-methyl)-4-trifluoromethyl-phenyl]-pyridin-3-yl}-acetic acid ethyl ester的产率得到{5-[2-({N-[2-(4,6-diethoxy-pyrimidin-2-yl)-acetyl]-N-ethyl-amino}-methyl)-4-trifluoromethyl-phenyl]-pyridin-3-yl}-acetic acid ethyl ester