Simultaneous quantification of dextromethorphan and its metabolites dextrorphan, 3-methoxymorphinan and 3-hydroxymorphinan in human plasma by ultra performance liquid chromatography/tandem triple-quadrupole mass spectrometry
Keywords: Dextromethorphan; Dextrorphan; 3-Methoxymorphinan; 3-Hydroxymorphinan; UPLC-MS/MS; Human plasma;