| acetylmethadol | An opioid analgesic which exists in 4 different optical isomers. The l isomers are active and l-acetylmethadol (LAM) has a long duration of action and has been tried as a substitute for methadone in methadone maintenance programs and in programs where methadone is to be withdrawn, as in physical dependence of the morphine type. (05 Mar 2000) |
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