1. School of Pharmacy, Guizhou University of Traditional Chinese Medicine, Guiyang 550025, China
2. Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing 210014, China
3. School of Pharmaceutical Sciences, Kunming Medical University, Kunming 650500, China
4. School of Basic Medicine, Guizhou University of Traditional Chinese Medicine, Guiyang 550025, China