1. S. M. Aslanov and E. N. Novruzov, Khim. Prir. Soedin., 796 (1978).
2. S. M. Aslanov and G. F. Akhundov, Theoretical and Methodological Questions of the Study of the Seeds of Introduced Plants [in Russian], Baku (1981), p. 62.
3. E. Stahl, Thin Layer Chromatography: A Laboratory Handbook, 1st edn., Academic Press, New York (1965).
4. L. Fieser and M. Fieser, Reagents for Organic Synthesis, Wiley, New York (1967).
5. A. I. Ermakov and N. P. Yarosh, Tr. Prik. Bot., Genet. Selekts.,56, No. 3, 3 (1976).