The identification of the phenylethanoid glycosides in plant extract of cistanche deserticola was based on the comparison of molecular ions , and the fragment ions obtained by ms ( superscript n ) experiments with those of the authentic standards and the data was reported in the literatures 通過(guò)得到的分子量和碎片信息并與標(biāo)準(zhǔn)化合物以及文獻(xiàn)中的已知化合物比較,建立了這一類化合物快速鑒定的質(zhì)譜新方法。