1. Shipilovskikh, S.A., Rubtsov, A.E., and Zalesov, V.V., Khim. Geterotsikl. Soedin., 2009.
2. Rubtsov, A.E. and Zalesov, V.V., Zh. Org. Khim., 2003, vol. 39, p. 918.
3. Bukanova, E.V., Cand. Sci. (Chem.) Dissertation, Perm, 2004.
4. Koz’minykh, V.O., Belyaev, A.O., Koz’minykh, E.N., Makhmudov, R.R., and Odegova, T.F., Khim.-Farm. Zh., 2004, vol. 38, no. 8, p. 25.
5. Koz’minykh, V.O. and Koz’minykh, E.N., Khim.-Farm. Zh., 2004, vol. 38, no. 2, p. 10.