1. Department of Natural
Products Chemistry, Key Laboratory of Chemical Biology of the Ministry
of Education, School of Pharmaceutical Science, Shandong University, Jinan 250012, People’s Republic of China
2. School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, People’s Republic of China
3. Department of Biochemistry and Molecular
Biology, School of Medicine, Shandong University, Jinan 250012, People’s Republic of China
4. Natural
Products Research Laboratories, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, North Carolina 27599, United States
5. Chinese Medicine Research and Development Center, China Medical University and Hospital, Taichung, Taiwan