9-[4-acetoxy-3-(acetoxymethyl)butyl]-2-amino-6-[(4-chlorophenyl)sulfanyl]-9H-purine

2-amino-7-benzyl-3H-purin-6-one

N-2-乙酰鸟嘌呤

2-acetyl-7-benzyl-9-[(2,2-dimethyl-4,6-dioxo-1,3-dioxan-5-yl)ethyl]guaninium inner salt

泛昔洛韦