5-chloro-4-(2,2,2-trifluoro-ethoxy)-pyridine-2-carboxylic acid 、
2-cyclopropyl-1-methyl-1-(5-methyl-[1,2,4]oxadiazol-3-yl)-ethylamine 以isolated (29 mg, 51%) as colorless oil的产率得到5-chloro-4-(2,2,2-trifluoro-ethoxy)-pyridine-2-carboxylic acid [2-cyclopropyl-1-methyl-1-(5-methyl-[1,2,4]oxadiazol-3-yl)-ethyl]-amide