1. School of Pharmacy, Gansu University of Chinese Medicine, Lanzhou 730000, P. R. China
2. Northwest Collaborative Innovation Center for Traditional Chinese Medicine Co-Constructed by Gansu Province & MOE of PRC, Lanzhou 730000, P. R. China
3. Key Laboratory of Chemistry and Quality for TCM of the College of Gansu Province, Lanzhou 730000, P. R. China