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. 2020 Oct 10;11(1):222–236. doi: 10.1016/j.apsb.2020.10.002

Figure 5.

Figure 5

2D contour plots of (A) Positive drug, MLN-4760, (B) enriched urine samples, (C) LHQW extracts and (D) standard compounds of potential active components obtained by the comprehensive 2D ACE2 column/C18 column/TOFMS system.