title: Norphenazone, a new metabolite of phenazone in human urine.
mesh_terms: D000983:Antipyrine / Q000378:metabolism*; D002845:Chromatography; D006801:Humans; D008297:Male; D013058:Mass Spectrometry; D011720:Pyrazoles / Q000652:urine
chemical_list: D011720:Pyrazoles; D000983:Antipyrine