1. Stepanenko, I.S., Kot’kin, A.I., and Yamashkin, S.A., Fundam. Issled., 2013, no. 8 (6), p. 1406.
2. Stepanenko, I.S., Kot’kin, A.I., and Yamashkin, S.A., Probl. Med. Mikol., 2015, vol. 17, no. 2, p. 135.
3. Elderfield, R.C., in Heterocyclic Compounds, Elderfield, R.C., Ed., New York: Wiley, 1952, vol. 4.
4. Yamashkin, S.A., Kucherenko, N.Ya., and Yurovskaya, M.A., Chem. Heterocycl. Compd., 1997, vol. 33, no. 5, p. 499.
5. Yamashkin, S.A., Oreshkina, E.A., and Zhukova, N.V., Chem. Heterocycl. Compd., 2007, vol. 43, no. 8, p. 1044.