6-(cyclopropylmethoxy)-5-(3,3-difluoroazetidin-1-yl)pyridine-2-carboxylic acid 、 (3-(Trifluoromethyl)pyrrolidin-3-yl)methanol hydrochloride 以to obtain the title compound (11 mg, 36%) as colorless liquid, MS (EI)的产率得到[6-(cyclopropylmethoxy)-5-(3,3-difluoroazetidin-1-yl)pyridin-2-yl]-[3-(hydroxymethyl)-3-(trifluoromethyl)pyrrolidin-1-yl]methanone