1. O. E. Nasakin, A. N. Lyshchikov, Ya. S. Kayukov, and V. P. Sheverdov, Khim.-farm. Zh., 34(4), 11 – 23 (2000).
2. G. Lancini and F. Parenti, Antibiotics, an Integrated View, Springer-Verlag, New York (1982).
3. M. D. Mashkovskii, Drugs [in Russian], Moscow (2007), pp. 802 – 807, 998 – 1001.
4. V. P. Sheverdov, O. V. Ershov, O. E. Nasakin, et al., Zh. Org. Khim., 36(4), 617 – 618 (2000).
5. V. P. Sheverdov, O. V. Ershov, O. E. Nasakin, et al., Zh. Obshch. Khim., 72(6), 1051 – 1052 (2002).