1. M. V. Kapustina, I. A. Kharizomenova, V. I. Shvedov, et al., Khim-farm. Zh., No. 4, 39–40 (1990).
2. M. V. Kapustina, I. A. Kharizomenova, V. I. Shvedov, et al., Khim.-farm. Zh. (in Press).
3. M. V. Kapustina, I. A, Kharizomenova, V. I. Shvedov, et al., Khim. Geterotsikl. Soedin (in Press).
4. I. A. Kharizomenova, M. V. Kapustina, A. N. Grinev, et al., Khim. Geterotsikl. Soedin., No. 12, 1626–1629 (1984).
5. V. I. Shvedov, V. K. Ryzhskova, and A. N. Grinev, Khim. Geterotsikl. Soedin., No. 3, 459–460 (1967).