title: SOME POTENT MORPHINE ANTAGONISTS POSSESSING HIGH ANALGESIC ACTIVITY.
mesh_terms: D000700:Analgesics; D018712:Analgesics, Non-Narcotic; D058633:Antipyretics; D002626:Chemistry, Pharmaceutical; D008614:Meperidine; D051379:Mice; D009020:Morphine; D009292:Narcotic Antagonists; D010600:Pharmacology; D051381:Rats; D012106:Research
chemical_list: D000700:Analgesics; D018712:Analgesics, Non-Narcotic; D058633:Antipyretics; D009292:Narcotic Antagonists; D009020:Morphine; D008614:Meperidine
keywords: ANALGESICS AND ANTIPYRETICS; CHEMISTRY, PHARMACEUTICAL; EXPERIMENTAL LAB STUDY; MEPERIDINE; MICE; MORPHINE; NARCOTIC ANTAGONISTS; PHARMACOLOGY; RATS