1. A.
E. Favorsky Irkutsk Institute of Chemistry, Siberian Division of the Russian Academy of Science, 1 Favorsky Street, 664033 Irkutsk, Russian Federation
2. St. Petersburg State Technological Institute, 190013 St. Petersburg, Russia
3. Chemisches Institut der Universitat Potsdam, Karl-Liebknecht-Straße 24-25, D-14476 Potsdam (Golm), Germany