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. Author manuscript; available in PMC: 2009 Feb 1.
Published in final edited form as: J Chromatogr B Analyt Technol Biomed Life Sci. 2007 Nov 4;862(1-2):64–71. doi: 10.1016/j.jchromb.2007.10.044

Figure 3.

Figure 3

Representative MRM chromatograms of 4-HPR in mouse plasma: (a) double blank plasma; (b) blank plasma; (c) LLOQ, 0.5 ng/mL; and (d) ULOQ, 100 ng/mL. 4-HPR (left panels, a–d) and its internal standard (right panels).