[Retracted] Simultaneous Determination of the Five Constituents in Maiwei Dihuang Pills by the HPLC-DAD Method

Figure 1

HPLC chromatograms of the control sample solution (1, deoxyschizandrin; 2, γ-schizandrin; 3, loganin; 4, paeoniflorin; and 5, paeonol).