FIELD: medicine.
SUBSTANCE: invention relates to compounds or their pharmaceutically acceptable salts having structures represented below, where X is O or CH2. The invention also relates to a pharmaceutical composition for the treatment of opioid addiction, based on the specified compounds.
EFFECT: new compounds and a pharmaceutical composition based on them are obtained, which provide long-term, slowed down, and controlled release of antagonists of opioid nalmefene and naltrexone receptors, when administered to the body.
15 cl, 34 dwg, 31 tbl, 35 ex
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