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. 2021 Apr 9;12:654061. doi: 10.3389/fphar.2021.654061

FIGURE 6.

FIGURE 6

Detection of MEPH metabolites in a human urine sample. Chromatograms of Mephedrone and the detected metabolites (4-OH-MMC, 4-MC, 4-COOH-MC, dihydro-4-MC (anti and syn). The analysis was repeated two times obtaining similar results (grey background, top and bottom).