C5H4N4O2
The molecular formula C5H4N4O2 (molar mass: 152.11 g/mol, exact mass: 152.0334 u) may refer to: Xanthine, a purine base Oxypurinol, an inhibitor of xanthine oxidase
The molecular formula C5H4N4O2 (molar mass: 152.11 g/mol, exact mass: 152.0334 u) may refer to: Xanthine, a purine base Oxypurinol, an inhibitor of xanthine oxidase