Studies on the chemical constituents from culbs of hybridized Bulbus Fritillariae Ussuriensis Determination and Contrastion of Alkaloids and Saponins in Bulbus Fritillariae Cirrhosae and in Other Beimus Simultaneous determination of five nucleotides in BulbusFritillariae by RP-HPLC Research progress on resources in Bulbus Fritillariae Cirrhosae Study on analytical method for alkaloids in Bulbus Fritillariae Cirrhosae Identification of Chinese Drugs by Fluorescence Spectrum ESI-MS characteristic spectra of alkaloids inBulbus Fritillariae