1. Department of Medical and Biological Researches, Institute of Bioorganic Chemistry and Petrochemistry, National Academy of Sciences of Ukraine, Kyiv 02094, Ukraine
2. Department of Bioorganic Mechanisms, Institute of Bioorganic Chemistry and Petrochemistry, National Academy of Sciences of Ukraine, Kyiv 02094, Ukraine
3. Department of Chemistry of Bioactive Nitrogen Containing Heterocyclic Bases, Institute of Bioorganic Chemistry and Petrochemistry, National Academy of Sciences of Ukraine, Kyiv 02094, Ukraine