1. Sagitullina, G.P., Garkushenko, A.K., Glizdinskaya, L.V., Yuldashev, F.A., Vorontsova, M.A., and Sagitullin, R.S., Khim. Geterotsikl. Soedin., 2010, p. 1551.
2. Rusinov, V.L. and Chupakhin, O.N., Nitroaziny (Nitro Azines), Novosibirsk: Nauka, 1991.
3. Caldwell, W.T., Tyson, F.T., and Lauer, L., J. Am. Chem. Soc., 1944, vol. 66, p. 1479.
4. Parker, E.D. and Shive, W., J. Am. Chem. Soc., 1947, vol. 69, p. 63.
5. Brown, E.V., J. Am. Chem. Soc., 1954, vol. 76, p. 3168.