鸟嘌呤

2-[2-(2-amino-6-methoxypurin-9-yl)ethyl]propane-1,3-diol

2-amino-9-(4-(hydroxymethyl)tetrahydrofuran-2-yl)-1H-purin-6(9H)-one

2',3',5'-三乙酰鸟苷

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