5-Cyclopropyl-4-(2-fluoroethoxy)pyridine-2-carboxylic acid 、
2-methanesulfonyl-1-methyl-1-(5-methyl-[1,2,4]oxadiazol-3-yl)-ethylamine 、
氢溴酸 以isolated (59 mg, 62%)的产率得到5-cyclopropyl-4-(2-fluoroethoxy)-N-[2-(5-methyl-1,2,4-oxadiazol-3-yl)-1-methylsulfonylpropan-2-yl]pyridine-2-carboxamide