虫草素

2-(6-氨基嘌呤-9-基)-5-(羟基甲基)四氢呋喃-3,4-二醇

2-脱氧-b-l-腺苷酸

6-(6-aminopurin-9-yl)oxane-3,4-diol

ethyl 2-(6-benzamidopurin-9-yl)acetate