Determination of five components in Fuzheng Pingxiao Capsula by HPLC-MS Study on accumulation law of peimine in different Fritillaria thunbergii cultivar Screening for five alkaloids as reversal agents against gastric cancer multiple drug resistance and study on their mechanism Screening for five alkaloids as reversal agents against gastric cancer multiple drug resistance and study on their mechanism Comparison of content between total alkaloid and sipeimine in tissue culture of bulb of Fritillaria pallidiflora Determination of Total Saponins,Alkaloids and Sipeimine in Four Species of Chuanbeimu Simultaneous determination of six components in Baikening Granules by UPLC-MS/MS Simultaneous Determination on Three Alkaloids in Bulbs of Fritillaria unibracteata var. wabensis by HPLC-ELSD Simultaneous determination of peimine, peiminine and zhebeinine in Fritillaria thunbergii from different habitat by HPLC-ELSD Determination of peimine and peiminine in Fritillria monantha bulb by HPLC-ELSD