5028698 Cytorhodin S derivatives and a process for their preparation Yukiko Tone, Toshir Iwahashi, Etsuko Ohkouchi, Hirosh Kitagawa, Isamu Sugawara, Hiroshi Okazaki, Akio Fukuda, Hans G Berscheid, Hitok Numata, Junko Usui, Shunji Senda, Akihiko Matsuo, Hiroshi Watanabe, Itsuo Kurobane, Saitama, Japan assigned to Hoechst Japan Limited |