1-[2-脱氧-3,5-二-O-(4-甲基苯甲酰)呋喃戊糖基]-5-甲基-2,4(1H,3H)-嘧啶二酮

1-(O3,O5-bis-trimethylsilanyl-β-D-erythro-2-deoxy-pentofuranosyl)-5-bromo-4-trimethylsilanyloxy-1H-pyrimidin-2-one

三甲基铝

thymidylyl-(3'-5')-thymidine (P-N) amide

5'-O-{[2-(2-nitro-5-{[(9-oxo-9H-thioxanthen-2-yl)oxy]carbonyl}phenyl)propoxy]carbonyl}thymidine