(2R,3R,4R,5R)-2-((双(4-甲氧基苯基)(苯基)甲氧基)甲基)-4-((叔丁基二甲基甲硅烷基)氧基)-5-(5-氟-2,4-二氧代-3,4-二氢嘧啶1(2H)-基)四氢呋喃-3-基(2-氰乙基)二异丙基亚磷酰胺
(2R,3R,4R,5R)-2-((Bis(4-methoxyphenyl)(phenyl)methoxy)methyl)-4-((tert-butyldimethylsilyl)oxy)-5-(5-fluoro-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-3-yl (2-cyanoethyl) diisopropylphosphoramidite
