N(3)-甲基-2'-脱氧胞苷

4-amino-1-[(2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-3-methyl-4H-pyrimidin-2-one

2ˊ-脱氧胞苷-3ˊ-一磷酸

N-苯甲酰基-5’-O-叔-丁基二甲基甲硅烷-2’-脱氧胞啶

N4-acetyl-1-(3'-O-acetyl-2'-deoxy-β-D-arabinofuranosyl)cytosine