... Minase Research Institute, Ono Pharmaceutical Co., Ltd., Shimamoto, Mishima, Osaka 618, Japan. Received March 5, 1992 ... 0022-2623/92/1836-3307$03.00/0 0 1992 American Chemical Society Page 2. 3308 Journal of Medicinal Chemistry, 1992, Vol. 35, No. 18 ...