3’-O-(4,4’-二甲氧基三苯甲基)胸苷

(2R,3S,5R)-2-((((2,3-dimethylbutan-2-yl)dimethylsilyl)oxy)methyl)-5-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-3-yl methanesulfonate