6-N-羟氨基嘌呤

9-[(2R,5S)-5-(hydroxymethyl)oxolan-2-yl]-3H-purine-6-thione

trimethyl(7H-purin-6-yl)azanium,chloride

9-((2-甲基-4-亚甲基-5-氧代四氢呋喃-2-基)甲基)次黄嘌呤

9H-嘌呤-6-胺, n-环戊基-