1. Modern Research Center for Traditional Chinese Medicine
2. Shanxi University
3. Taiyuan 030006
4. P. R. China
5. College of Chemistry and Chemical Engineering of Shanxi University
6. Departments of Chemistry
7. Pharmacology & Toxicology
8. University of Louisville
9. Louisville
10. USA
11. Institute of Materia Medica
12. Chinese Academy of Medical Sciences & Peking Union Medical College
13. Beijing 100050