[1] I. A. Samylina and G.P.Yakovlev, Pharmacognosy, 2013, Moscow. GEOTAR. Media, pp. 976
[2] N. I. Baram and A. I. Ismailov, Chemistry of Natural Compounds, 1993, 3, 334.
[3] A. I. Glushenkova and I. P. Nazarov, Gossypol, its derivatives and their use. 1993: Tashkent, Fan.
[4] M. A. Ashirmatov and N. D. Abdullaev, Chemistry of Natural Compounds, 1996, 2, 517.
[5] N. D. Abdullaev et al., Chemistry of Natural Compounds, 1990, 4, 166.
[6] G. B. Nazarov, B. T. Ibragimov, T. F. Aripov, Chemistry of Natural Compounds, 1988, 3, 661.
[7] J. P. Stewart. Mopac program package for Windows. www.openmopac.net.