1. O’Shaughnessy, J. and Aldabbagh, F., Synthesis, 2005, p. 1069.
2. Dianov, V.M., Sibiryak, S.V., Sadykov, R.F., Strokin, Yu.V., and Khabibulina, F., Khim.-Farm. Zh., 1991, vol. 25, no. 1, p. 40
3. Kazuo, K., Noriaki, I., Yasuo, I., Hiroshige, H., and Masuo, M., Yakudaku zasshi, 1979, vol. 99, no. 9, p. 880; Shigeta, Shiro and Chiba, Takao, Japan Patent 04297475, p. 1992; Chem. Abstr., 1992, vol. 118, 191738j.
4. Shaaban, M.R., Salen, T.S., and Farag, A.M., Heterocycles, 2007, vol. 71, no. 8, p. 1765; Badawey, E.-S. A.M. and Gohar, Y.M., Farmaco., 1992, vol. 47, no. 4, p. 489; Zubenko, A.A., Fetisov, L.N., Popov, L.D., Zubenko, I.V., Zhila, E.V., and Kovalenko, A.V., RF Patent 2394824, 2010; Byull. Izobr., 2010, vol. 20, p. 909.
5. Ryzvanovich, G.A., Begunov, R.S., Rachinskaya, O.A., Muravenko, O.V., and Sokolov, A.A., Khim.-Farm. Zh., 2011, vol. 45, no. 3, p. 13.