1. Department of Medicinal Chemistry, Faculty of Pharmaceutical Sciences and High Technology Research Center, Kobe Gakuin University, Nishi-ku, Kobe 651-2180, Japan, Department of Biochemistry, Tohoku Pharmaceutical University, 4-1, Komatsushima 4-chome, Aoba-ku, Sendai 981-8558, Japan, Department of Pharmacology I, Discovery Research Laboratories, Dainippon Pharmaceutical Co., Ltd., Enoki 33-94, Suita 564-0053, Japan, and Medicinal Chemistry Group, LCBRA, National Institute of Environmental Health Sciences...