1-[4-azido-5-(trityloxymethyl)oxolan-2-yl]pyrimidine-2,4-dione

1-(3-chloro-2,3-dideoxy-β-D-threo-pentofuranosyl)-2,4(1H,3H)-pyrimidinedione

[5-(2,4-dioxopyrimidin-1-yl)-2-(trityloxymethyl)oxolan-3-yl] methanesulfonate

2'-脱氧尿苷

5'-O-三苯甲基-2'-脱氧尿苷