摘要 |
The present invention provides compound having the structure: and pharmaceutically acceptable salts or derivatives thereof, as well as compositions including such compounds. The invention also provides methods of (1) preventing pain, (2) treating pain, (3) inducing sedation, (4) treating opiate addiction, (5) treating opiate withdrawal (abstinence syndrome) and/or (6) treating cough in a patient in need thereof by administering a compound or composition of the invention.
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