1. Department of Inorganic, Organic and Analytical Chemistry, University of Szeged, Dóm tér 8, H-6720 Szeged, Hungary
2. Drug resistance research group, Institute of Enzymology, Research Centre for Natural Sciences, Magyar tudósok körútja 2, H-1117 Budapest, Hungary
3. Department of Pharmacology, Faculty of Pharmacy, University of Pécs, Rókus u. 2, H-7624 Pécs, Hungary
4. Department of Medicinal Chemistry, University of Szeged, Dóm tér 8, H-6720 Szeged, Hungary