3'-O-benzyl-2'-deoxy-5-iodo-5'-O-trityluridine

3'-O-benzyl-2'-deoxy-O4-ethyl-5-trifluoromethyl-5'-O-trityluridine

2'-脱氧尿苷

2,2,2-三氯乙酰胺苄酯

3,5-双乙酰基-5-碘代-2-脱氧尿苷