... The abstract has to be typed in a DIN A4 page with 2.5 cm top, bottom, left and right margins. ... Before text of abstract omit one single space. ... Abstracts will be published as submitted, i.e. any error that appears in the submitted abstract will appear in the published abstract. ... Abstracts may not be submitted by fax) . ... 1 Institute of Physiologically Active Compounds, Chernogolovka, Russia, 2 Chemical Department, M.V. Lomonosov Moscow State University, Moscow, Russia. ...