1. Drach, B.S., Sviridov, E.P., and Shaturskii, Ya.P., Zh. Obshch. Khim., 1974, vol. 44, no. 8, p. 1712.
2. Drach, B.S. and Sviridov, E.P., Zh. Obshch. Khim., 1973, vol. 43, no. 7, p. 1648.
3. Vinogradova, T.K., Kisilenko, A.A., Drach, B.S., Zh. Org. Khim., 1982, vol. 18, no. 9, p. 1864.
4. Brovarets, V.S., Vydzhak, R.N., Pil’o, S.G., Zyuz’ K.V., and Drach, B.S., Russ. J. Gen. Chem., 2001, vol. 71, no. 11, p. 1726.
5. Golovchenk,o A.V., Pil’o, S.G., Brovarets, V.S., Chernega, A.N., and Drach, B.S., Russ. J. Gen. Chem., 2005, vol. 75, no. 3, p. 425.