1. State Registry of Drugs [in Russian], Vol. 1, Official Edition, Moscow (2004).
2. State Pharmacopeia of the USSR [in Russian], 11th Edition, No. 2, Meditsina, Moscow (1990).
3. G. M. Kitanov and K. F. Blinova, Khim. Prir. Soedin., 185 (1987).
4. V. A. Kurkin, Pharmacognosy [in Russian], OOO Ofort, GOU VPO SamGMU, Samara (2004).
5. Plant Resources of the USSR: Flowering Plants, Their Chemical Composition and Use: Paeoniaceae-Thymelaeaceae Families [in Russian], Nauka, Leningrad (1985), pp. 16–18.