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DERIVATIVES OF MORPHINANE (PHENANTHRENISOQUINOLINE)

Morphinane is a condensed heterocyclic system (phenanthrenisoquinoline) consisting of a partially hydrogenated (reduced) aromatic core of phenanthrene, some of the cycles of which simultaneously constitute tetrahydroisoquinoline. Morphinane is a condensed heterocyclic...

Methadone-3H

Composition Active ingredient: methadone; 1 tablet contains methadone hydrochloride 5 mg, 10 mg, 25 mg or 40 mg; excipients: lactose monohydrate, microcrystalline cellulose, corn starch, magnesium stearate. Dosage form Pills. Basic physical and chemical properties:...

Opioid receptors

Given the centuries-long history of the use of opium and its alkaloids, it was only in 1973 that the presence of membrane receptors called “opioid receptors” in the CNS was experimentally proven. A little later, the first substance that stimulates...