title: 14-alkoxy dihydrocodeinones, dihydromorphinones, and morphinanones--a new class of narcotic analgesics.
mesh_terms: D000701:Analgesics, Opioid / Q000494:pharmacology*; D000818:Animals; D003061:Codeine / Q000031:analogs & derivatives*; D006853:Hydrocodone / Q000031:analogs & derivatives* / Q000494:pharmacology; D004091:Hydromorphone / Q000031:analogs & derivatives* / Q000494:pharmacology; D051379:Mice; D009022:Morphine Derivatives / Q000494:pharmacology*; D009619:Nociceptors / Q000187:drug effects; D051381:Rats
chemical_list: D000701:Analgesics, Opioid; D009022:Morphine Derivatives; D006853:Hydrocodone; D004091:Hydromorphone; D003061:Codeine