Liquid chromatography coupled with electrospray ionization tandem mass spectrometry(LC-ESI/MS/MS) in negative ion mode was used for the screening of bisbibenzyls in 2 bryophyte crude extracts(Marchantia polymorpha L.
通过比较色谱和质谱行为特征,并结合紫外吸收光谱数据,分别检测出5/18种和8/16种已知/未知双联苄化合物。
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