1. Medicinal Chemistry
2. Department of Pharmaceutical Sciences
3. Rega Institute for Medical Research
4. KU Leuven
5. 3000 Leuven
6. Institute of Organic Chemistry
7. Faculty of Chemistry
8. Technical University of Lodz
9. 90-924 Lodz
10. Poland
11. Department of Bioorganic Chemistry
12. Centre of Molecular and Macromolecular Studies
13. Polish Academy of Sciences
14. 90-363 Lodz