1. Pat. RF 2255939; Byul. Izobr. [Invention Bulletin], 2005, No. 19 (in Russian).
2. T. G. Khonina, O. N. Chupakhin, L. P. Larionov, T. G. Boyakovskaya, A. L. Suvorov, E. V. Shadrina, Pharm. Chem. J. (Engl. Transl.), 2008, No. 11, 609 [Khim-farm. Zh., 2008, No. 11, 5].
3. M. G. Voronkov, G. I. Zelchan, E. Ya. Lukevits, Kremnii i zhizn’. Biokhimiya, farmakologiya, toksikologiya [Silicon and Life. Biochemistry, Pharmacology, and Toxicology], Zinatne, Riga, 1978, 587 pp. (in Russian).
4. Pat. RF 2326667; Byul. Izobr. [Invention Bulletin], 2008, No. 17 (in Russian).
5. Pat. RF 2336877; Byul. Izobr. [Invention Bulletin], 2008, No. 30 (in Russian).