1. Faculty of ScienceDepartment of Organic ChemistryCharles University Hlavova 8 128 43 Prague 2 Czech Republic
2. Institute of ChemistryTechnische Universität Berlin Hardenbergstraße 40 10623 Berlin Germany
3. Institute of Organic Chemistry and Biochemistry of the CAS Flemingovo nám. 2 166 10 Prague 6 Czech Republic
4. Faculty of ScienceDepartment of Physical and Macromolecular ChemistryCharles University Hlavova 8 128 43 Prague 2 Czech Republic
5. J. Heyrovský Institute of Physical Chemistry of the CAS, v.v.i. Dolejškova 2155/3 182 23 Prague 8 Czech Republic