1. Fedorov, A.Yu., Nyuchev, A.V., and Beletskaya, I.P., Chem. Heterocyclic Compd., 2012, vol. 48, no. 1, p. 166.
2. Kochetkov, A.N. and Kuz’mina, L.G., Pharm. Chem. J., 2010, vol. 44, no. 2, p. 68.
3. Mashkovskii, M.D., Lekarstvennye sredstva (Drugs), Moscow: RIA “Novaya Volna,” 2012.
4. Kobayashy, H., Ogawa, M., Alford, R., Choyke, P.L., and Urano, Y., Chem. Rev., 2010, vol. 110, p. 2620.
5. Fel’gendler, A.V., Aboskalova, N.I., and Berestovitskaya, V.M., Russ. J. Gen. Chem., 2000, vol. 70, no. 7, p. 1087.