Substituted benzoate ester prodrug derivatives of 3-hydroxymorphinans, which are analgesics or narcotic antagonists
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United States of America Patent
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May 26, 1987
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app pub date -
May 14, 1985
filing date -
Jul 5, 1984
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Expired
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Abstract
Substituted benzoate ester prodrug derivatives of 3-hydroxymorphinans are useful as analgesics or narcotic antagonists and provide enhanced bioavailability of 3-hydroxymorphinans from orally administered doses.
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