2-[5-amino-4-(1H-1,2,4-triazol-5-yl)pyrazol-1-yl]-5-(hydroxymethyl)oxolane-3,4-diol

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