1. Faculty of Chemistry; Opole University; Oleska 48 45-051 Opole Poland
2. Department of Bioorganic Chemistry, Faculty of Chemistry; Wrocław University of Technology; Wybrzeże Wyspiańskiego 27 50-370 Wrocław Poland
3. Museum of Natural History; Wrocław University; Sienkiewicza 21 50-335 Wrocław Poland