1. Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, No. 16, Nanxiaojie, Dongzhimennei, Beijing 100700, P. R. China
2. College of Medicine and Biomedicine, Huaqiao University, Quanzhou 362000, P. R. China
3. College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing 100083, P. R. China
4. Exchange, Development and Service Center for Science and Technology Talents, The Ministry of Science and Technology (MoST), 54 Sanlihe Road, Xicheng, Beijing 100045, P. R. China
5. State Key Laboratory for Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, P. R. China
6. The Key Laboratory of Chemistry for Natural Products of Guizhou Province and Chinese Academy of Sciences, Guiyang 550014, P. R. China