Research Article

Development of Sensitive and Specific Analysis of Vildagliptin in Pharmaceutical Formulation by Gas Chromatography-Mass Spectrometry

Figure 3

(A) Total ion chromatogram of VIL (100 ng mL−1) and IS. Selected ion chromatograms for m/z 418 (a), 223 (b), and 252 (c) belonging to standard solution containing VIL (100 ng mL−1) and IS. (B) Total ion chromatogram of the placebo tablet. Selected ion chromatograms for m/z 418 (d), 223 (e), and 252 (f) belonging to placebo tablet.