1. Department of Natural Medicinal Chemistry, School of Chinese Pharmacy, China Pharmaceutical University, Nanjing 210009, People’s Republic of China
2. Department of Pharmacology, Nanjing Medical University, Nanjing 210029, People’s Republic of China
3. Natural Products Research Laboratories, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, North Carolina 27599, United States
4. Chinese Medicine Research and Development Center, China Medical University and Hospital, Taichung 40402, Taiwan