title: [Studies on the analysis of anileridine, levorphanol, nalbuphine and ethamivan in urine].
abstract: The method for the analysis of anileridine, levorphanol, nalbuphine and ethamivan in urine by means of GC/NPD and GC/MSD is described. TFAA and MSTFA-MBTFA have been used in this procedure for TFA and TMS derivatization. The parent forms and the metabolites of the four drugs can be found by GC/NPD screening and GC/MSD confirmation. The method is reliable, fast and sensitive.
authors.affiliation: Institute of Materia Medica, Chinese Academy of Medical Sciences, Beijing.
authors.forename: Y Q
authors.initials: YQ
authors.lastname: Xu
authors.forename: H J
authors.initials: HJ
authors.lastname: Fang
authors.forename: Y X
authors.initials: YX
authors.lastname: Xu
authors.forename: H J
authors.initials: HJ
authors.lastname: Duan
authors.forename: Y
authors.initials: Y
authors.lastname: Wu
mesh_terms: D001549:Benzamides / Q000652:urine*; D008401:Gas Chromatography-Mass Spectrometry; D006801:Humans; D007540:Isonipecotic Acids / Q000652:urine*; D007981:Levorphanol / Q000652:urine*; D009266:Nalbuphine / Q000652:urine*
chemical_list: D001549:Benzamides; D007540:Isonipecotic Acids; D007981:Levorphanol; C100232:anileridine; D009266:Nalbuphine; C100268:ethamivan