Institution: | 1. Faculty of Pharmaceutical Sciences, Science University of Tokyo, Funakawara-Machi, Shinjuku-Ku, Tokyo, 162, Japan;2. Department of Pharmaceutical Sciences, Kobe Gakuin University, Arise, Igawatani Machi, Tarumi-Ku, Kobe, 673, Japan;3. Department of Chemistry, National Tsing Hua University, Kuang Fu Road, Hsinchu, Taiwan, China |