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(A) Chemical structures of notoginsenoside R1, astragaloside IV, ginsenoside Rg1, ginsenoside Rb1, amygdalin and platycoldin D. HPLC chromatogram of (B) Yifei Xuanfei Jiangzhuo formula and (C) the reference compounds. The information for each peak is indicated. HPLC, high-performance liquid chromatography.
