1. Zhdanova, A.V., Cand. Sci. (Chem.) Dissertation, Volgograd, 2011.
2. Serezhnikova, T.K., Cand. Sci. (Chem.) Dissertation, Volgograd, 2012.
3. Morren, H., UK Patent no. 1 039 113, 1964; Chem. Abstr., 1966, vol. 65, p. 12 180.
4. Perekalin, V.V., Novikov, B.M., Zobacheva, M.M., Kiseleva, I.N., Grineva, V.S., Kovalev, G.V., Tyurenkov, I.N., and Polevoj, L.G., SU Patent no. 797 219, 1979; Chem. Abstr., 1996, vol. 124, no. 279 178 m.
5. Glozman, O.M., Morozov, I.S., Zhmurenko, L.A., and Zagorevskii, V.A., Pharm. Chem. J., 1980, vol. 14, no. 11, p. 776.