ethyl 5-(6-aminopurin-9-yl)pentanoate

[3,4-diacetyloxy-5-(6-aminopurin-9-yl)oxolan-2-yl]methyl acetate

[(1R,4S)-4-(6-aminopurin-9-yl)cyclopent-2-en-1-yl]methanol

7-methoxypurin-6-amine

2’-氨基-2’-脱氧腺苷