title: Isolation and stereochemical identification of a metabolite of naltrexone from human urine.
mesh_terms: D000818:Animals; D002645:Chickens; D002855:Chromatography, Thin Layer; D006801:Humans; D009682:Magnetic Resonance Spectroscopy; D013058:Mass Spectrometry; D009022:Morphine Derivatives / Q000302:isolation & purification / Q000652:urine; D009270:Naloxone / Q000031:analogs & derivatives*; D009292:Narcotic Antagonists / Q000302:isolation & purification / Q000378:metabolism* / Q000652:urine; D013045:Species Specificity; D013055:Spectrophotometry, Infrared; D013237:Stereoisomerism
chemical_list: D009022:Morphine Derivatives; D009292:Narcotic Antagonists; D009270:Naloxone