6-(cyclopropylmethoxy)-5-(3,3-difluoroazetidin-1-yl)pyridine-2-carboxylic acid 、
5-azaspiro[2.4]heptane-4-carboxamide hydrochloride 、
(±)-5-azaspiro[2.4]heptane-6-carboxamide hydrochloride 反应 3624.0h,
以to obtain the title compound after preparative chiral HPLC (22 mg, 19%) as off-white solid, MS (ESI)的产率得到(+)-5-[6-(Cyclopropylmethoxy)-5-(3,3-difluoroazetidin-1-yl)pyridine-2-carbonyl]-5-azaspiro[2.4]heptane-4-carboxamide