2-((7-(4-cyano-3-(trifluoromethyl)phenyl)-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidin-4-yl)amino)-4-(trifluoromethyl)thiazole-5-carboxylic acid 、
(1R)-2-(1-aminoethyl)oxadiazole 以29 mg of the target compound was obtained (yield 55%)的产率得到(R)-N-(1-(1,3,4-oxadiazol-2-yl)ethyl)-2-((7-(4-cyano-3-(trifluoromethyl)phenyl)-5, 6,7,8-tetrahydropyrido[3,4-d]pyrimidin-4-yl)amino)-4-(trifluoromethyl)thiazole-5-carboxamide