(2R，3S，5R)-2-(((叔丁基二甲基硅基)氧)甲基)-5-(5-甲基-2，4-二氧代-3，4-二氢嘧啶-1(2H)-基)四氢呋喃-3-基乙酸酯
(2R，3S，5R)-2-(((tert-butyldimethylsilyl)oxy)methyl)-5-(5-methyl-2，4-dioxo-3，4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-3-yl acetate
(2R，3S，5R)-2-(((叔丁基二甲基硅基)氧)甲基)-5-(5-甲基-2，4-二氧代-3，4-二氢嘧啶-1(2H)-基)四氢呋喃-3-基乙酸酯 95%