1. Genaev, A.M. and Shubin, V.G., Izv. Ross. Akad. Nauk, Ser. Khim., 2006, p. 1045.
2. Shubin, V.G., Korchagina, D.V., Derendyaev, B.G., Mamatyuk, V.I., and Koptyug, V.A., Zh. Org. Khim., 1970, vol. 6, p. 2066.
3. Shubin, V.G., Korchagina, D.V., Derendyaev, B.G., Borodkin, G.I., and Koptyug, V.A., Zh. Org. Khim., 1973, vol. 9, p. 1031.
4. Loktev, V.F., Korchagina, D.V., and Shubin, V.G., Izv. Sib. Otd. Akad. Nauk SSSR, Ser. Khim. Nauk, 1978, vol. 12, no. 5, p. 135.
5. Loktev, V.F., Korchagina, D.V., Shakirov, M.M., and Shubin, V.G., Izv. Sib. Otd. Akad. Nauk SSSR, Ser. Khim. Nauk, 1978, vol. 12, no. 5, p. 146.