Tendedron Vol 24, pp. 1765 lo 1776. Pcrgmon Rar 1968 Pnnted in Great BnUlo ... N. TSUJI Shionogi Research Laboratory, Shionogi & Co., Ltd., Fukushima-ku, Osaka, Japan ... (Received in Japan 12 June 1967; acceptedfor publication 14 August 1967) ... Abstrac-The structure of a new anti-viral antibiotic, julimycin B-II, has &en established as a derivative of p$'-bianthraquinonyl by spectroscopic and degradative experiments. ... THE isolation of a new anti-viral ...