1. Department of General and Inorganic Chemistry, Faculty of Chemical Technology, University of Pardubice, nám. Čs. legií 565, CZ-532 10, Pardubice, Czech Republic, Department of Chemistry, Moscow State University, Leninskie gory, 1 (3), GSP-2, 119992, Moscow, Russian Federation, and Institute of Macromolecular Chemistry of Academy of Sciences of the Czech Republic, Heyrovsky sq. 2, 162 06 Praha 6, Czech Republic