title: Gas chromatographic determination of N-desmethyl-propyphenazone, a metabolite of propyphenazone, in human urine.
mesh_terms: D000983:Antipyrine / Q000031:analogs & derivatives* / Q000652:urine; D002849:Chromatography, Gas / Q000379:methods*; D006801:Humans; D006868:Hydrolysis
chemical_list: C029477:N-desmethylpropyphenazone; D000983:Antipyrine