Allopurinol. Molecular model of the drug allopurinol (C5.H4.N4.O), a purine analogue used for treatment of hyperuricemia (excess uric acid in the blood) and gout. Atoms are represented as spheres and are colour-coded: carbon (grey), hydrogen (white), nitrogen (blue) and oxygen (red). Illustration.
Model release not required. Property release not required.