1. Department of Organic Chemistry, Faculty of Chemical Engineering and Technology, University of Zagreb, Marulićev trg 20, P.O. Box 177, HR-10000 Zagreb, Croatia
2. Institute of Chemistry, Technology and Metallurgy, University of Belgrade, Njegoševa 12, PO Box 815, 11000 Belgrade, Serbia
3. Institute of Oncology and Radiology, Pasterova 14, 11000 Belgrade, Serbia
4. Faculty of Chemistry, University of Belgrade, Studentski trg 12-16, 11000 Belgrade, Serbia
5. Department of Chemistry, Faculty of Science, University of Zagreb, Horvatovac 102a, HR 10000 Zagreb, Croatia