9-cyclobutylpurin-6-amine

7H-嘌呤-6,8-二醇

(S)-1-(6-氨基-9h-嘌呤-9-基)丙烷-2-醇

6-(2,5-dimethylpyrrol-1-yl)-7H-purine

糖氨基嘌呤