Qualitative and Quantitative Analysis of the Major Constituents in Chinese Medical Preparation Lianhua-Qingwen Capsule by UPLC-DAD-QTOF-MS

Figure 1

UPLC-DAD chromatograms of standard solution of 210 nm (a), 225 nm (b), 254 nm (c), negative sample solution (d), and sample solution of 210 nm (e), 225 nm (f), and 254 nm (g).

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