Figure 2: Representative HPLC chromatograms of blank mouse plasma (A), blank mouse plasma spiked with 5 μg/ml of norvancomycin (B), and blank mouse plasma norvancomycin were shown in (Figures 2a-c), respectively. The lower spiked with of 10 μg/ml of vancomycin and 5 μg/ml norvancomycin (C).