1. Research Institute for Organic Syntheses (VUOS); Rybitví 296 CZ-533 54 Pardubice-Rybitví Czech Republic
2. Department of General and Inorganic Chemistry, Faculty of Chemical Technology; University of Pardubice; Studentská 573 CZ-532 10 Pardubice Czech Republic
3. Institute of Organic Chemistry and Technology, Faculty of Chemical Technology; University of Pardubice; Studentská 573 CZ-532 10 Pardubice Czech Republic