1. Department of Organic ChemistryKaunas University of Technology Radvilėnų pl. 19, LT- 50254 Kaunas, Lithuania
2. Department of Technology of Biologically Active SubstancesPharmacy and BiotechnologyLviv Polytechnic National University Bandera str. 12 79013, Lviv-13 Ukraine
3. Department of Physical and Inorganic ChemistryKaunas University of Technology Radvilėnų pl. 19, LT- 50254, Kaunas Lithuania