1. Nikolaev Institute of Inorganic Chemistry
2. Siberian Branch of Russian Academy of Sciences
3. Novosibirsk 630090
4. Russia
5. N. N. Vorozhtsov Novosibirsk Institute of Organic Chemistry
6. Novosibirsk State University
7. A. E. Favorsky Irkutsk Institute of Chemistry
8. Siberian Branch of the Russian Academy of Sciences
9. 664033 Irkutsk
10. St. Petersburg State University
11. Center for Magnetic Resonance
12. St. Petersburg 198504