title: [3H]beta-funaltrexamine binds covalently to brain opioid receptors.
mesh_terms: D000818:Animals; D001665:Binding Sites; D002417:Cattle; D003342:Corpus Striatum / Q000378:metabolism; D006168:Guinea Pigs; D008297:Male; D009270:Naloxone / Q000378:metabolism / Q000494:pharmacology; D009271:Naltrexone / Q000031:analogs & derivatives* / Q000378:metabolism / Q000494:pharmacology; D011957:Receptors, Opioid / Q000378:metabolism*; D013997:Time Factors
chemical_list: D011957:Receptors, Opioid; D009270:Naloxone; D009271:Naltrexone; C024524:beta-funaltrexamine