5‘-O-(di-p-methoxytrityl)-4-N-(N-methylpyrrolidin-2-ylidene)-2’-deoxycytidine

4-N-(N-methylpyrrolidin-2-ylidene)-2’-deoxycytidine

3'-O-acetyl-5'-O-(4,4'-dimethoxytrityl)-2-deoxyuridine

4-amino-1-((2R,4S,5R)-4-((trimethylsilyl)oxy)-5-(((trimethylsilyl)oxy)methyl)tetrahydrofuran-2-yl)pyrimidin-2(1H)-one

N4-苯甲酰基-5′-O-(4,4′-二甲氧基三苯基)-2′-脱氧胞苷