1. Institute of Organic Chemistry and Biochemistry of the CAS, Flemingovo nám. 2, Prague 160 00, Czech Republic
2. Department of Organic Chemistry, Faculty of Science, Charles University, Hlavova 2030/8, Prague 128 43, Czech Republic
3. Department of Inorganic Chemistry, Faculty of Science, Charles University, Hlavova 2030/8, Prague 128 43, Czech Republic