Rapid Determination of Pemetrexed Concentration and Distribution in Human Breast Cancer Cells (McF-7) Based on UHPLC-MS/MS

Figure 2

Chromatograms of pemetrexed and IS in different samples. (a) Blank sample. (b) Blank sample spiked with IS. (c) Blank sample spiked with LLOQ concentration of pemetrexed. (d) Real sample.

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(b)

(c)

(d)