1. Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, ul. Miklukho-Maklaya 16/10, 117997 Moscow V-437, Russian Federation.
2. Institute of Chemical Biology and Fundamental Medicine, Siberian Branch of the Russian Academy of Sciences, Lavrentiev Ave. 8, 630090 Novosibirsk, Russian Federation.
3. Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road MB-10, La Jolla, CA 92037, USA.
4. State Key Laboratory of Medicinal Chemical Biology, Nankai University, 38 Tongyan Road, Tianjin 300350, China.
5. Chemistry Department, M.V. Lomonosov Moscow State University, Lenin Hills, 1, bld. 3, 119991 Moscow, Russian Federation.
6. Belarusian Research Center for Pediatric Oncology, Hematology and Immunology, Minsk, Belarus.
7. OJSC Pharmsynthez, 197110 St. Petersburg, Russian Federation.