title: Determination of piribenzil in urine containing a metabolite and dextropropoxyphene by an ion pair extraction method.
mesh_terms: D001561:Benzilates / Q000302:isolation & purification / Q000652:urine*; D002794:Choline / Q000302:isolation & purification; D011431:Dextropropoxyphene / Q000652:urine*; D006801:Humans; D008722:Methods; D009538:Nicotine / Q000302:isolation & purification; D010276:Parasympatholytics / Q000302:isolation & purification / Q000652:urine*; D010783:Photometry; D010880:Piperidines / Q000302:isolation & purification / Q000652:urine; D000644:Quaternary Ammonium Compounds / Q000302:isolation & purification / Q000652:urine; D012995:Solubility; D014363:Tryptamines / Q000302:isolation & purification; D014439:Tyramine / Q000302:isolation & purification
chemical_list: D001561:Benzilates; D010276:Parasympatholytics; D010880:Piperidines; D000644:Quaternary Ammonium Compounds; D014363:Tryptamines; D009538:Nicotine; D002794:Choline; D011431:Dextropropoxyphene; D014439:Tyramine