1. M. Luckner, Secondary Metabolism in Microorganisms, Plants and Animals, Springer-Verlag, G. Fischer, Jena, Germany (1990), pp. 340 – 342.
2. M. D. Mashkovskii, Drugs [in Russian], Novaya Volna, Moscow (2010), pp. 180, 499.
3. Russian Drug Registry [in Russian], Moscow (2001), pp. 884, 1066.
4. N. A. Vlasova, E. R. Kurbatov, et al., RU Pat. No. 2,447,059, Jan. 27, 2012; Appl. No. 2010130988; Byull. Izobret., No. 10 (2010).
5. E. R. Kurbatov, A. V. Kurochkin, et al., RU Pat. No. 2,337,101, Oct. 27, 2008; Appl. No. 2006144009; Byull. Izobret., No. 30 (2006).