1. School of Pharmacy
2. Tongji Medical College
3. Huazhong University of Science and Technology
4. Wuhan 430030
5. P. R. China
6. Drug Discovery and Design Center
7. CAS Key Laboratory of Receptor Research
8. State Key Laboratory of Drug Research
9. Shanghai Institute of Materia Medica
10. Chinese Academy of Sciences
11. College of Medicine
12. Des Moines University
13. Des Moines
14. USA
15. Division of Pharmaceutics and Pharmaceutical Chemistry
16. The Ohio State University
17. Columbus