5-tert-butyl-7-(3,3-difluoro-pyrrolidin-1-yl)-2-ethyl-2H-[1,2,3]triazolo[4,5-d]pyrimidine 、
5-tert-butyl-7-(3,3-difluoropyrrolidin-1-yl)-3H-[1,2,3]triazolo[4,5-d]pyrimidine 、 2,5-Dichloro-3-(chloromethyl)pyridine 生成 5-tert-butyl-2-(2,5-dichloro-pyridin-3-ylmethyl)-7-(3,3-difluoro-pyrrolidin-1-yl)-2H-[1,2,3]triazolo[4,5-d]pyrimidine