1. Faculty of Chemistry
2. Department of Organic Chemistry
3. University of Łódź
4. PL-91403 Łódź
5. Poland
6. Department of Organic and Applied Chemistry
7. Technische Universität Chemnitz
8. Faculty of Natural Sciences
9. Institute of Chemistry
10. Department of Inorganic Chemistry
11. D-09107 Chemnitz
12. Universität Regensburg
13. Institut für Physikalische und Theoretische Chemie
14. D-93040 Regensburg
15. Germany
16. University of Neuchatel
17. CH-2000 Neuchatel
18. Switzerland