tert-Butyl 7-(2-oxo-4-((6-(trifluoromethyl)pyridin-2-yl)methoxy)pyridin-1(2H)-yl)-3,4-dihydrobenzofuro[3,2-c]pyridine-2(1H)-carboxylate 以80%的产率得到1-(1,2,3,4-Tetrahydrobenzofuro[3,2-c]pyridin-7-yl)-4-((6-(trifluoromethyl)pyridin-2-yl)methoxy)pyridin-2(1H)-one hydrochloride