1. Department of Drug Sciences
2. Medicinal Chemistry and Pharmaceutical Technology Section
3. University of Pavia
4. 27100 Pavia
5. Italy
6. Division of Pharmacology and Pharmacotherapy
7. Faculty of Pharmacy
8. University of Helsinki
9. Finland
10. Division of Pharmaceutical Chemistry and Technology
11. Laboratory of Medicinal Chemistry
12. College of Pharmacy
13. Seoul National University
14. Seoul 151-742
15. Korea
16. Pharmacology Section
17. Viale Taramelli 14