1-<(1,3-dihydroxy-2-propoxy)methyl>-5-<(thiocarbamoyl)amino>-1H-imidazole-4-carboxamide

N,9-二乙酰鸟嘌呤

N-2-乙酰鸟嘌呤

9-[1,3-二(苯基甲氧基)丙-2-基氧基甲基]-6-氯嘌呤-2-胺

2-氨基-6-氯嘌呤