tert-butyl ((2S)-1-((4-(benzyloxy)-5-nitropyrimidin-2-yl)oxy)propan-2-yl)carbamate 、
5-(((1R)-2,2-difluorocyclopropyl)methoxy)-3-fluoropyridine-2-carboxylic acid 以in the same manner as in Step A of Example 4 and Step D of Example 83, the title compound was obtained的产率得到tert-butyl ((2S)-1-((5-(((5-(((1R)-2,2-difluorocyclopropyl)methoxy)-3-fluoropyridin-2-yl)carbonyl)amino)-4-hydroxypyrimidin-2-yl)oxy)propan-2-yl)carbamate