1. Enamine Ltd., 23 A. Matrosova st., 01103 Kyiv, Ukraine, National Taras Shevchenko University, 62 Volodymyrska st., 01033 Kyiv, Ukraine, Institute of Organic Chemistry, National Academy of Sciences of Ukraine, 5 Murmanska st., 02094 Kyiv, Ukraine, and STC “Institute for Single Crystals”, National Academy of Sciences of Ukraine, 60 Lenina ave., 61001 Kharkiv, Ukraine