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. State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Kunming 650201, China
3. School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, China