Portoghese, P S Opioid agonist and antagonist activities of morphindoles related to naltrindole. [electronic resource] - Journal of medicinal chemistry Nov 1992 - 4325-9 p. digital Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S. ISSN: 0022-2623 Standard No.: 10.1021/jm00101a009 doi Subjects--Topical Terms: AnalgesiaAnimalsGuinea PigsIndoles--chemical synthesisMaleMiceMorphinans--chemical synthesisMuscle, Smooth--drug effectsNaltrexone--analogs & derivativesNarcotic Antagonists--chemical synthesisReceptors, Opioid, delta--drug effectsStructure-Activity Relationship