9-((2R,5S)-2-(((tert-butyldiphenylsilyl)oxy)methyl)-1,3-oxathiolan-5-yl)-2-fluoro-9H-purin-6-amine

N-(1-((2R,5S)-2-(((tert-butyldiphenylsilyl)oxy)methyl)-1,3-oxathiolan-5-yl)-5-methyl-2-oxo-1,2-dihydropyrimidin-4-yl)benzamide