1. Department of Synthesis Institute of Inorganic Chemistry of the Czech Academy of Sciences 250 68 Řež Czech Republic
2. Institute of Molecular Genetics of the Czech Academy of Sciences Vídeňská 1083 142 20 Prague 4 Czech Republic
3. Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences Flemingovo nám. 2, 166 10 Prague Czech Republic
4. Department of General and Inorganic Chemistry Faculty of Chemical Technology University of Pardubice Studentská 573 532 10 Pardubice Czech Republic