1. State Key Laboratory of Pharmaceutical Biotechnology
2. Nanjing University
3. Nanjing 210093, China
4. Department of Pharmacology
5. Guilin Medical University
6. School of Life Sciences
7. Shandong University of Technology
8. Zibo 255049, China
9. Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources (Guangxi Normal University)
10. Ministry of Education of China
11. Guilin 541004, China