2',3'-二去氢-2',3'-二脱氧鸟苷

4-methoxy-3H-imidazo[2,1-b]purine

9-[3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-8-phenylmethoxy-3H-purine-2,6-dione

2-氨基-1,7-二氢-7-(2-羟基丙基)-6H-嘌呤-6-酮

3-(2-amino-9-((2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-6-oxo-6,9-dihydro-1H-purin-1-yl)propanenitrile