Affiliation: | 1.Institute of Natural Sciences, Perm State University, ul. Genkelya 4, Perm, 614990, Russia ;2.Postovskii Institute of Organic Synthesis, Ural Division, Russian Academy of Sciences, ul. S. Kovalevskoi 20, Yekaterinburg, 620219, Russia ;3.Perm State University, ul. Bukireva 15, Perm, 614990, Russia ; |