1) Institute of Bioorganic and Petroleum Chemistry, National Academy of Sciences, Ukraine, 02094, Ukraine, Kiev, ul. Murmanskaya, 1, e-mail: gmm@i.com.ua; 2) S. Yu. Yunusov Institute of the Chemistry of Plant Substances, Academy of Sciences of the Republic of Uzbekistan, 700170, Tashkent, fax (99871) 120 64 75; 3) Taras Shevchenko Kiev National University, 01033, Ukraine, Kiev, ul. Valdimirskaya, 64. Translated from Khimiya Prirodnykh ...