1. Department of Organic Chemistry, Faculty of Chemical Engineering and Technology; University of Zagreb; Marulićev trg 19 10000 Zagreb Croatia
2. Laboratory for Organic Chemistry, Faculty of Food Technology and Biotechnology; University of Zagreb; Pierottijeva 6 10000 Zagreb Croatia
3. Department of Medical Chemistry, Biochemistry and Clinical Chemistry, Faculty of Medicine; Josip Juraj Strossmayer University of Osijek; J. Huttlera 4 31000 Osijek Croatia
4. Faculty of Pharmacy and Biochemistry; University of Zagreb; A. Kovačića 1 10000 Zagreb Croatia