1. State
Key Laboratory of Phytochemistry and Plant Resources in West China,
and Yunnan Key Laboratory of Natural Medicinal Chemistry, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, People’s Republic of China
2. University of Chinese Academy of Sciences, Beijing 100049, People’s Republic of China
3. Key
Laboratory of Medicinal Chemistry for Natural Resource, Ministry of
Education, School of Chemical Science and Technology, Yunnan University, Kunming 650091, People’s Republic of China