Affiliation: | 1. Department of Medicinal Chemistry, Center for Frontier Research in Medicinal Science, 21st Century COE Program, Kyoto Pharmaceutical University, Kyoto 607-8412, Japan;2. Department of Biology, Johns Hopkins University, Baltimore, MD, USA;3. Department of Medicinal Chemistry, School of Pharmacy, Tokyo University of Pharmacy and Life Sciences, Tokyo 192-0392, Japan |