1. Department of Medicinal Chemistry
2. Key Laboratory of Chemical Biology (Ministry of Education)
3. School of Pharmaceutical Sciences
4. Shandong University
5. 250012 Jinan
6. Institute of Pharmacology
7. School of Medicine
8. PR China
9. Department of Physics, Chemistry, and Pharmacy
10. University of Southern Denmark
11. DK-5230 Odense M
12. Denmark