| butorphanol | <chemical> A synthetic morphinan analgesic with narcotic antagonist action. It is used in the management of severe pain. Pharmacological action: analgesics, opioid, antitussive agents, narcotic antagonists, narcotics. Chemical name: Morphinan-3,14-diol, 17-(cyclobutylmethyl)- (12 Dec 1998) |
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| butorphanol tartrate | (-)-17-(Cyclobutylmethyl)morphinan-3,14-diol tartrate;a potent mixed agonist/antagonist narcotic analgesic agent. (05 Mar 2000) |