title: A synthetic peptide with morphine-like pharmacologic action.
mesh_terms: D000818:Animals; D001667:Binding, Competitive; D005048:Etorphine / Q000378:metabolism; D066298:In Vitro Techniques; D007981:Levorphanol / Q000031:analogs & derivatives; D051379:Mice; D008961:Models, Structural; D009020:Morphine / Q000494:pharmacology*; D009469:Neuromuscular Junction / Q000187:drug effects*; D009842:Oligopeptides / Q000138:chemical synthesis / Q000494:pharmacology*; D011955:Receptors, Drug; D013329:Structure-Activity Relationship
chemical_list: D009842:Oligopeptides; D011955:Receptors, Drug; D007981:Levorphanol; D005048:Etorphine; D009020:Morphine