1. Department of Chemistry of Natural Compounds, University of Chemistry and Technology, Prague, Technická 5, 166 28, Prague, Czech Republic
2. Department of Inorganic Chemistry, Faculty of Science, Charles University in Prague, Hlavova 2030, 128 40, Prague, Czech Republic
3. Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo nám. 2, 166 10, Prague, Czech Republic