2-(acetylamino)-6-(diphenylcarbamoyloxy)-9-(β-D-tri-O-acetylribofuranosyl)-9H-purine

trimethylsilyl N-(7-(trimethylsilyl)-6-((trimethylsilyl)oxy)-7H-purin-2-yl)acetimidate

1,2,3,5-四-O-乙酰基-β-D-呋喃核糖

N,9-二乙酰鸟嘌呤

N-2-乙酰鸟嘌呤