title: Potent analgesics.
mesh_terms: D000700:Analgesics / Q000627:therapeutic use*; D001952:Bridged-Ring Compounds / Q000627:therapeutic use; D006801:Humans; D009019:Morphinans / Q000627:therapeutic use; D009020:Morphine / Q000627:therapeutic use; D009292:Narcotic Antagonists / Q000627:therapeutic use; D010880:Piperidines / Q000627:therapeutic use
chemical_list: D000700:Analgesics; D001952:Bridged-Ring Compounds; D009019:Morphinans; D009292:Narcotic Antagonists; D010880:Piperidines; D009020:Morphine