1. Department of Organic Chemistry; Faculty of Science; Palacky University in Olomouc; 17. listopadu 1192/12 771 46 Olomouc Czech Republic
2. Department of Chemistry of Natural Compounds; Faculty of Science; University of Chemistry and Technology; Technicka 5 166 28 Prague Czech Republic
3. Institute of Molecular and Translational Medicine; Faculty of Medicine and Dentistry; Palacky University in Olomouc; Hnevotinska 5 779 00 Olomouc Czech Republic