1. M. G. Rokachinskaya, V. G. Zin'kovskii, V. M. Kabanov, et al.,Khim.-Farm. Zh.,26(11–12), 16 - 18 (1992).
2. V. G. Zin'kovskii, M. Yu. Totrova, N. Ya. Golovenko, et al.,Khim.-Farm. Zh.,23(2), 139 - 144 (1989).
3. H. N. Bhargava,Neuropharmacology,25(7), 737 - 741 (1986).