... Hiroyuki Kagechika, Emiko Kawachi, Yuichi Hashimoto, Toshiyuki Himi, and Koichi Shudo* Faculty of Pharmaceutical Sciences, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113, Japan. Received March 14, 1988 ... Journal of Medicinal Chemistry, 1988, Vol. ...