1. Department of Organic and Bioorganic Chemistry, Charles University, Faculty of Pharmacy in Hradec Králové, Heyrovského 1203, 500 05 Hradec Králové, Czech Republic
2. Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo náměstí 2, 166 10 Prague 6, Czech Republic
3. Faculty of Chemistry, University of Opole, 48 Oleska Street, 45-052 Opole, Poland
4. Department of General and Inorganic Chemistry, University of Pardubice, Faculty of Chemical Technology, Studentská 573, 532 10 Pardubice, Czech Republic
5. Department of Organic Chemistry, Charles University, Faculty of Science, Hlavova 8, 128 43 Prague 2, Czech Republic