7-deaza-2,8-diazaadenosine

N'-[1-[3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]pyrazolo[3,4-d]pyrimidin-4-yl]-N,N-dimethylmethanimidamide

7-(β-D-ribofuranosyl)imidazo<1,2-c>pyrazolo<4,3-e>pyrimidine

2-(5-amino-4-iminopyrazolo[3,4-d]pyrimidin-1-yl)-5-(hydroxymethyl)oxolane-3,4-diol,hydrochloride

7-(β-D-ribofuranosyl)pyrazolo<4,3-e>-1,2,4-triazolo<1,5-c>pyrimidine