1. Enamine Ltd. (www.enamine.net), Winston Churchill Street 78, Kyïv 02094, Ukraine
2. Taras Shevchenko National University of Kyïv, Volodymyrska Street 60, Kyïv 01601, Ukraine
3. Institute of Organic Chemistry, National Academy of Sciences of Ukraine, Akademik Kukhar Street 5, Kyïv 02660, Ukraine