Research Article

Method Development and Validation of Darifenacin in Rat Plasma by Liquid Chromatography-Tandem Mass Spectrometry: Application to a Pharmacokinetic Study

Figure 3

(a) ESI mass spectrum of darifenacin-d4. (b) Product ion spectrum of the [M + H]+ ion of darifenacin d4.
659257.fig.003a
(a)
659257.fig.003b
(b)