different between morphinan vs xorphanol

English

morphinan (countable and uncountable, plural morphinans)

(chemistry) The base chemical structure of a large class of psychoactive drugs, consisting of opioid analgesics, antitussives, and dissociative hallucinogens, among others.

From [Term?] +? -orphan (“morphinan derivate”) +? -ol.

(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)

xorphanol (uncountable)

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