1. State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources
2. School of Chemistry and Pharmacy of Guangxi Normal University
3. Guilin 541004
4. PR China
5. Jiangsu Key Laboratory of Drug Screening
6. China Pharmaceutical University
7. Nanjing 210009
8. Department of Clinical Pharmacy
9. School of Pharmacy
10. Fudan University
11. Shanghai 201203
12. China