1. Faculty of Chemistry; Department of Organic Chemistry; University of Łódź; Tamka 12 91-403 Łódź Poland
2. Faculty of Natural Sciences; Institute of Chemistry; Inorganic Chemistry; Technische Universität Chemnitz; 09107 Chemnitz Germany
3. Biological and Chemical Research Centre; Department of Chemistry; University of Warsaw; Żwirki i Wigury 101 02-089 Warszawa Poland
4. Faculty of Chemistry; Department of Inorganic and Analytical Chemistry; University of Szeged; Dom ter 7. 6720 Szeged Hungary
5. Faculty of Pharmacy and Biochemistry; University of Zagreb; Ante Kovačića 1 10000 Zagreb Croatia