(2017-05-29) Iakovyshen, R. S.; Pavlenko, E. L.; Kulish, N. P.; Kachkovsky, O. D.; Kurdyukov, V. V.; Taras Shevchenko National University of Kyiv, Faculty of Physics; /13 Volodymyrska Street, 01601 Kyiv, Ukraine; Institute of Bioorganic Chemistry and Petrochemistry, National Academy of Sciences of Ukraine; Murmanska Street, 03660 Kyiv, Ukraine; Color and Structure of Organic Compounds, Department of Institute of Organic Chemistry; National Academy of Sciences of Ukraine, 5 Murmanska Street, 03660 Kyiv, Ukraine; iakovyshen@ukr.net