1. Department
of Chemistry and Molecular Biology, Medicinal Chemistry, University of Gothenburg, Kemivagen 10, SE-412
96 Göteborg, Sweden
2. School
of Pharmacy, University of Eastern Finland, P.O. Box 1627, 70211 Kuopio, Finland
3. Division
of Pharmaceutical Chemistry and Technology, Faculty of Pharmacy, University of Helsinki, FIN-00014 Helsinki, Finland