5-cyclopropyl-4-((S)-2,2,2-trifluoro-1-methyl-ethoxy)-pyridine-2-carboxylic acid 、
2-(5-methyl-1,3,4-oxadiazol-2-yl)-1-(oxetan-3-yl)propan-2-amine 以isolated (36 mg, 22%)的产率得到5-cyclopropyl-N-[2-(5-methyl-1,3,4-oxadiazol-2-yl)-1-(oxetan-3-yl)propan-2-yl]-4-[(2S)-1,1,1-trifluoropropan-2-yl]oxypyridine-2-carboxamide