Determination of Phenylethanoid Glycosides inLagotis brevitubaMaxim. by High-Performance Liquid Chromatography–Electrospray Ionization Tandem Mass Spectrometry

Determination of Phenylethanoid Glycosides inLagotis brevitubaMaxim. by High-Performance Liquid Chromatography–Electrospray Ionization Tandem Mass Spectrometry