6-aminopurine

4,6-二氯-5-氨基嘧啶

原乙酸三乙酯

(1R,2S,3R,4R)-1-amino-2,3-(isopropyliden)dihydroxy-4-hydroxymethyl cyclopentane

N-(9-((1R,2S,3R,4R)-2,3-dihydroxy-4-(hydroxymethyl)cyclopentyl)-9H-purin-6-yl)benzamide