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US 5,212,201 AGranted
Xanthine oxidase inhibitor
AssigneeGunze Limited
InventorsMichio Wakashiro, Shiro Abe, Nobukazu Tanabe, Hiroshi Obata
Life of this patent
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Abstract
A pharmaceutical composition inhibiting xanthine oxidase containing as an active component a compound of the formula: ##STR1## wherein R is 4'-OH or 5'-OH, or a pharmaceutically acceptable salt or ester thereof is disclosed. The compound wherein R is 5'-OH is a novel compound.
Claims3
A method of inhibiting xanthine oxidase in a patient, which comprises administering to a patient requiring such inhibitory activity a compound of the formula:
- ##STR3## wherein R is 4'-OH or 5'-OH or a pharmaceutically acceptable salt or an ester thereof.
Dependencies are inferred from the claim text.