1-[3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-7H-purin-2-one

(1-ethoxy-2-methylpropyl) acetate

3-methylimidazo[4,5-c]pyridine

6-(3-吡啶)-呋喃并[2,3-d]嘧啶-4-胺

7-oxido-[1,2,4]triazolo[3,4-c][1,2,4]triazin-7-ium