1. Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences Flemingovo nám. 2 Prague CZ‐16610 Czech Republic
2. Department of Physical and Macromolecular chemistry Faculty of Science Charles University Albertov 2038/6 Prague 2 128 43 Czech Republic
3. Institute of Organic Chemistry Polish Academy of Sciences Kasprzaka 44/52 Warsaw 01‐224 Poland
4. Department of Chemistry Faculty of Science Masaryk University Kamenice 5 Brno CZ‐62500 Czech Republic
5. CEITEC – Central European Institute of Technology Masaryk University Kamenice 5/C4 Brno CZ‐62500 Czech Republic