1. Charles University, Faculty of Pharmacy in Hradec Kralove, Ak. Heyrovskeho 1203, Hradec Kralove50005, Czech Republic
2. Department of Chemistry, Faculty of Science, Masaryk University, Kamenice 5, 625 00Brno, Czech Republic
3. RECETOX, Faculty of Science, Masaryk University, Kamenice 5, 625 00Brno, Czech Republic