1. Pharmaceutical Organic Chemistry Lab
2. Faculty of Pharmacy
3. Kindai University
4. Higashi-Osaka
5. Japan
6. Computational Drug Design and Discovery Lab
7. Joint Research Center
8. Pharmaceutical Research and Technology Institute
9. State Key Laboratory of Natural Medicines
10. Department of Medicinal Chemistry
11. China Pharmaceutical University
12. Nanjing 2100009
13. P. R. China