1. Department of Chemistry, Indiana University, 800 E. Kirkwood Avenue, Bloomington,
Indiana 47405, United States
2. A.N. Nesmeyanov Institute of
Organoelement Compounds, Russian Academy of Sciences, 28 Vavilov Street, Moscow, 119991 Russia
3. Department of Biology, Indiana University, 1001 East Third Street, Bloomington,
Indiana 47405, United States