2'-脱氧-5-(羟甲基)胞啶

5-甲基-2'-脱氧胞苷

2'-deoxy-5-(1,2-dihydroxyethyl)uridine

3',5'-bis-(O-tert-butyldimethylsilyl)-5-(1,2-dihydroxyethyl)-2'-deoxyuridine

dfC