1. Department of Organic Chemistry Faculty of Natural Sciences Comenius University in Bratislava Mlynská dolina, Ilkovičova 6 84215 Bratislava Slovakia
2. Research Institute of Chemistry and Geology Oles Honchar Dnipro National University Gagarina Av. 72 Dnipro 49010 Ukraine
3. Department of Inorganic Chemistry Faculty of Natural Sciences Comenius University in Bratislava Mlynská dolina, Ilkovičova 6 84215 Bratislava Slovakia