N1-甲基-2'-脱氧鸟苷

2'-deoxy-7-methylguanosine

9-((2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-1-methyl-2-(methylamino)-1,9-dihydro-6H-purin-6-one

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