5-cyclopropyl-4-((R)-2,2,2-trifluoro-1-methyl-ethoxy)-pyridine-2-carboxylic acid 、
1-cyclopropyl-1-(5-methyl-[1,2,4]oxadiazol-3-yl)-ethylamine 在
Isopropanol heptane 作用下,
以isolated (135 mg, 70%) as light yellow oil的产率得到5-Cyclopropyl-4-((R)-2,2,2-trifluoro-1-methyl-ethoxy)-pyridine-2-carboxylic acid [1-cyclopropyl-1-(5-methyl-[1,2,4]oxadiazol-3-yl)-ethyl]-amide