title: RX809055AX in vivo: a long lasting opioid antagonist at mu and delta receptors.
authors.affiliation: Department of Pharmacology, College of Medicine, University of Arizona, Tucson 85724.
authors.forename: P K
authors.initials: PK
authors.lastname: Lemcke
authors.forename: E A
authors.initials: EA
authors.lastname: Ayres
authors.forename: T H
authors.initials: TH
authors.lastname: Kramer
authors.forename: T F
authors.initials: TF
authors.lastname: Burks
mesh_terms: D000818:Animals; D004723:Endorphins / Q000494:pharmacology; D020881:Enkephalin, D-Penicillamine (2,5)-; D004745:Enkephalins / Q000494:pharmacology; D008297:Male; D051379:Mice; D008813:Mice, Inbred ICR; D009019:Morphinans / Q000494:pharmacology*; D009292:Narcotic Antagonists / Q000494:pharmacology*; D011957:Receptors, Opioid / Q000378:metabolism*; D017465:Receptors, Opioid, delta; D017450:Receptors, Opioid, mu
chemical_list: D004723:Endorphins; D004745:Enkephalins; D009019:Morphinans; D009292:Narcotic Antagonists; D011957:Receptors, Opioid; D017465:Receptors, Opioid, delta; D017450:Receptors, Opioid, mu; C061102:RX 809055AX; C044708:morphiceptin, N-Me-Phe(3)-; D020881:Enkephalin, D-Penicillamine (2,5)-