1-[(2R,3S,4R,5S)-3-fluoro-4-hydroxy-5-(sulfanylmethyl)oxolan-2-yl]-5-methylpyrimidine-2,4-dione

1-[5-O-[二(4-甲氧基苯基)苯甲基]-2-脱氧-2-氟-beta-D-阿拉伯呋喃糖基]-5-甲基-2,4(1H,3H)-嘧啶二酮

保护胸苷

Trityl-lyxofuranosyl-T

Anhydro nucleoside