1. Latvian Institute of Organic Synthesis
2. Riga LV-1006
3. Latvia
4. A. E. Favorsky Irkutsk Institute of Chemistry
5. Siberian Branch of the Russian Academy of Sciences
6. 664033 Irkutsk
7. Russia
8. UMR 6226 ISCR
9. Molecular Chemistry and Photonics
10. University of Rennes I
11. Rennes
12. France