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. Guilin Normal College, Guilin 541001, People’s Republic of China
3. School of Chemical Sciences and Technology of Yunnan University, Kunming 650091, People’s Republic of China