A LC-MS/MS Method for Quantifying the Schisandrin B and Exploring Its Intracellular Exposure Correlating Antitumor Effect

Figure 3

Representative MRM chromatograms of the specificity of Sch.B. (a) Blank sample; (b) blank sample spiked with IS; (c) LLOQ sample; (d) real sample.

(a)

(b)

(c)

(d)