1. State Key Laboratory of Applied Organic Chemistry and Department of Chemistry, Lanzhou University, Lanzhou 730000, China
2. School of Basic Medical Science, Lanzhou University, Lanzhou 730000, China
3. Institute of Modern Physics of Chinese Academy of Sciences, Lanzhou, Gansu 730000, China
4. School of Pharmacy, Lanzhou University, Lanzhou 730000, P. R. China
5. State Key Laboratory of Quality Research in Chinese Medicine, Macau Institute for Applied Research in Medicine and Health, Macau University of Science and Technology, Taipa, Macau, China