... St. Petersburg State Institute of Technology, Moskovskii pr. 26, St. Petersburg, 190013 Russia e-mail: kruerk@yandex.ru Received November 17, 2009 ... IVa, IVb IIIc−IIIg Page 5. RUSSIAN JOURNAL OF GENERAL CHEMISTRY Vol. 80 No. 3 2010 KRUTIKOVA et al. ...