tert-Butyl 7-(4-((5-fluoropyridin-2-yl)methoxy)-2-oxopyridin-1(2H)-yl)-3,4-dihydrobenzothieno[3,2-c]pyridine-2(1H)-carboxylate 以96%的产率得到4-((5-Fluoropyridin-2-yl)methoxy)-1-(1,2,3,4-tetrahydrobenzothieno[3,2-c]pyridin-7-yl)pyridin-2(1H)-one hydrochloride