2-氨基-6-氯-9-(beta-d-2-脱氧核糖)嘌呤

8,2'-anhydro-8-mercaptoguanosine

N-(9-((2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-6-oxo-6,9-dihydro-1H-purin-2-yl)picolinamide

鸟苷酸

胸苷