1. Institute of Organic Chemistry and Biochemistry, AS CR Flemingovo nám. 2 Prague 16610 Czech Republic
2. Centre of Polymer SystemsTomas Bata University in Zlín Tomáše Bati 5678 Zlín 760 01 Czech Republic
3. Department of General and Inorganic ChemistryUniversity of Pardubice Studentská 573 Pardubice 53210 Czech Republic