[5-(2-Ethylaminomethyl-4-trifluoromethyl-phenyl)-pyridin-3-yl]-acetic acid ethyl ester, dihydrochloride 、
2,4-二甲氧基嘧啶-6-甲酸 以to provide [5-(2-{[N-(2,6-dimethoxy-pyrimidine-4-carbonyl)-N-ethyl-amino]-methyl}-4-trifluoromethyl-phenyl)-pyridin-3-yl]-acetic acid ethyl ester的产率得到[5-(2-{[N-(2,6-dimethoxy-pyrimidine-4-carbonyl)-N-ethyl-amino]-methyl}-4-trifluoromethyl-phenyl)-pyridin-3-yl]-acetic acid ethyl ester