1. Department of Inorganic Chemistry and Technology, “Jožef Stefan” Institute, Jamova cesta 39, Ljubljana, Slovenia
2. Department of Chemistry and Biochemistry, University of Ljubljana, Faculty of Chemistry and Chemical Technology, Večna pot 113, 1000 Ljubljana, Slovenia
3. Department of Organic Chemistry, University of Chemistry and Technology, Technická 5, 166 28 Prague 6, Prague, Czech Republic