1. Institute of Molecular and Translation Medicine, Faculty of Medicine; Palacký University; Hněvotínská 5 Olomouc 779 00 Czech Republic
2. Department of Chemistry and Biochemistry, 251 Nieuwland Science Center; University of Notre Dame; Notre Dame, Indiana 46556 United States
3. Department of Organic Chemistry, Faculty of Science; Palacký University; 17. listopadu 12 771 46 Olomouc Czech Republic