1. N.D. Zelinsky Institute of Organic Chemistry Russian Academy of Sciences Moskva 119991 Leninsky Prospect, 47 Moscow Russia
2. Department of Chemistry M. V. Lomonosov Moscow State University Moskva 119991 Leninskie Gory 1–3 Moscow Russia
3. A. N. Nesmeyanov Institute of Organoelement Compounds Russian Academy of Sciences Moskva 119991 Vavilova str., 28 Moscow Russia