allopurinol
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allopurinol
[‚a·lə′pyür·ə‚nȯl] (pharmacology)
C5H4ON4 The compound 4-hydroxypyrazolo-3,4-d-pyrimidine; inhibits xanthine oxidase, an enzyme required for uric acid formation.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.