3-cyclopropyl-3-[[5-cyclopropyl-4-[(1S)-2,2,2-trifluoro-1-methyl-ethoxy]pyridine-2-carbonyl]amino]butanoic acid 、
盐酸甲胺 以isolated (180 mg, 83%)的产率得到5-cyclopropyl-N-[2-cyclopropyl-4-(methylamino)-4-oxobutan-2-yl]-4-[(2S)-1,1,1-trifluoropropan-2-yl]oxypyridine-2-carboxamide