517089.fig.002a
(a)
517089.fig.002b
(b)
517089.fig.002c
(c)
Figure 2: Representative selected reaction monitoring chromatograms of stavudine (I) and the internal standard (II). (a) Blank plasma sample; (b) plasma sample spiked with stavudine (LLOQ, 5.00 ng/mL) and internal standard (400 ng/mL); (c) plasma sample from a volunteer 0.75 h after an oral dose of 20 mg stavudine.