Research Article

Isolation and Identification of Chemical Constituents from Zhideke Granules by Ultra-Performance Liquid Chromatography Coupled with Mass Spectrometry

Figure 2

HPLC-UV (PDA) chromatograms obtained from the standard of forsythoside A (a), the sample solution (b), a mixture of two standards (c), and HPLC fingerprint of Zhideke granules (d).
(a)
(b)
(c)
(d)