1. Department of Organic Chemistry, Faculty of Chemistry, Nicolaus Copernicus University in Torun Gagarina Street 7 87-100 Torun Poland jsch@umk.pl
2. Centre of Molecular and Macromolecular Studies, Polish Academy of Sciences Sienkiewicza 112 90-363 Łódź Poland
3. Jan Dlugosz University in Czestochowa Armii Krajowej 13/15 42-200 Czestochowa Poland