Ultraperformance liquid chromatography/quadrupole-time-of-flight mass spectrometry(UPLC-Q-TOF/MS) and the MetabolynxTM s......

目的 对地Nian(Melastoma dodecandrum Lour)全草的化学成分进行分离鉴定。方法 溶剂萃取及各种色谱技术分离纯化，经UV，IR，^1H—NMR，^1......