title: Receptor binding properties in vitro and in vivo of some long-acting opiates.
mesh_terms: D000818:Animals; D001921:Brain / Q000378:metabolism; D005283:Fentanyl / Q000031:analogs & derivatives* / Q000378:metabolism; D066298:In Vitro Techniques; D010880:Piperidines / Q000378:metabolism; D051381:Rats; D011957:Receptors, Opioid / Q000378:metabolism*; D013237:Stereoisomerism
chemical_list: D010880:Piperidines; D011957:Receptors, Opioid; D005283:Fentanyl