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. 2018 Oct 26;9:1216. doi: 10.3389/fphar.2018.01216

FIGURE 1.

FIGURE 1

3D-HPLC profile of NYT. Each chemical marker (paeoniflorin, hesperidin, and glycyrrhizic acid) in the HPLC profile was identified by comparison with retention times and UV spectra (230–400 nm) of their reference standards.