1. Center for Organic Chemistry, Rybitví č.p. 296, Rybitví 53354, Czech Republic
2. Department of Analytical Chemistry, University of Pardubice, Faculty of Chemical Technology, Studentská 573, Pardubice 53210, Czech Republic
3. Institute of Organic Chemistry and Technology, University of Pardubice, Faculty of Chemical Technology, Studentská 573, Pardubice 53210, Czech Republic