N4-苯甲酰基-5′-O-(4,4′-二甲氧基三苯基)-2′-脱氧胞苷

N4-benzoyl-O3',O5'-bis-(4,4'-dimethoxy-trityl)-2'-deoxy-cytidine

N-苯甲酰基-3’-O-(4,4’-二甲氧基三苯甲基)-2’-脱氧胞啶

N2-异丁酰-5'-O-(4,4'-二甲氧基三苯基)-2'-脱氧鸟苷

N6-苯甲酰基-5'-O-(4,4'-二甲氧基三苯基)-2'-脱氧腺苷