E.G. Afonin – Ph.D.(Chem.), Senior Research Scientist, 

JSC «Kaluga Scientifically Research Institute of Telemechanical Devices»

E-mail: afonineg.chem@gmail.com

G.G. Aleksandrov – Ph.D.(Chem.), Senior Research Scientist, 

Kurnakov Institute of General and Inorganic Chemistry (Moscow)

E-mail: info@igic.ras.ru