1. Khimicheskaya entsiklopediya (Chemical Encyclopedia), Zefirov, N.S., Ed., Moscow: Bol’shaya Rossiiskaya Entsiklopediya, 1999, vol. 5, p. 264.
2. Lezina, O.M., Rubtsova, S.A., and Kuchin, A.V., Izv. Ross. Akad. Nauk, Ser. Khim., 2003, p. 1779.
3. Lezina, O.M., Rubtsova, S.A., and Kuchin, A.V., Russian Patent no. 2 302 407, 2006; Byull. Izobret., 2007, no. 19.
4. Lezina, O.M., Rubtsova, S.A., and Kuchin, A.V., Russ. J. Org. Chem., 2011, vol. 47, p. 1249.
5. Shtefan, E.D. and Vvedenskii, V.Yu., Usp. Khim., 1996, vol. 65, p. 326.