supported by the National Basic Research Program(973) of China(No.2012CB724001);the National Natural Science Foundation of China(No.81473365);the Beijing Natural Science Foundation of China(No.7132172);the Independent Project of Beijing University of Chinese Medicine(No.2014-JYBZZ-XS-106);the Innovative Research Team of Beijing University of Chinese Medicine(No.2011-CXTD-13),China
A rapid, reliable, and sensitive method was developed using ultra-performance liquid chromatography- tandem mass spectrometry (UPLC-MS/MS) with an electrospray ionization (ESI) source for determination of seven bi...