2,2-Dimethyl-propionic acid (2R,3S,5R)-3-fluoro-5-phenylsulfanyl-tetrahydro-furan-2-ylmethyl ester

((2S,3R)-3-fluoro-5-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-2-yl)methyl pivalate

5-O-(4,4-二甲氧基三苯甲游基)-2,3-脱水胸腺嘧啶脱氧核苷

1-(2-deoxy-3-O-methanesulfonyl-5-O-trityl-β-D-threo-pentofuranosyl)thymine

[(2R,3S,5R)-3-fluoro-5-(5-methyl-2,4-dioxopyrimidin-1-yl)oxolan-2-yl]methyl methanesulfonate