1. Department of Organic Chemistry; Mendeleev University of Chemical Technology; Moscow; 125047; Russia
2. Laboratory of Heterocyclic Compounds; Zelinsky Institute of Organic Chemistry Russian Academy of Sciences; Moscow; 119991; Russia
3. Laboratory of Photochromic Systems; Photochemistry Center Russian Academy of Sciences; Moscow; 119421; Russia
4. Laboratory of Physicochemical Problems; Frumkin Institute of Physical Chemistry Russian Academy of Sciences; Moscow; 119071; Russia