1. Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education and Yunnan Province, School of Chemical Science and Technology, Yunnan University, Kunming 650091, China
2. The Faculty of Agriculture and Food, Kunming University of Science and Technology, Kunming 650500, China
3. State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China
4. Yunnan Institute for Ecological Agriculture, Kunming 650000, China