5-(3-hydroxyoxetan-3-yl)-4-(2,2,2-trifluoroethoxy)pyridine-2-carboxylic acid 、
2-cyclopropyl-1-methyl-1-(5-methyl-[1,2,4]oxadiazol-3-yl)-ethylamine 以isolated (37 mg, 47%)的产率得到N-[1-cyclopropyl-2-(5-methyl-1,2,4-oxadiazol-3-yl)propan-2-yl]-5-(3-hydroxyoxetan-3-yl)-4-(2,2,2-trifluoroethoxy)pyridine-2-carboxamide