1. Institute of Organic Chemistry and BiochemistryAcademy of Sciences of the Czech Republic Flemingovo náměstí 2 16610 Prague Czech Republic
2. Ludwig Maximilian UniversityDepartment of Chemistry Butenandstrasse 5–13 81377 München Germany
3. Department of Inorganic ChemistryFaculty of ScienceCharles University in Prague Hlavova 2030/8 12843 Prague Czech Republic