1. State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Yunnan Key Laboratory of Natural Medicinal Chemistry, 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. College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300071, People’s Republic of China