Affiliation: | 1. Department of Applied Chemistry , Faculty of Engineering, Okayama University , Okayama, Japan tomyamas@taiho.co.jp;3. Chemical Technology Laboratory, Taiho Pharmaceutical Co. , Saitama, Japan;4. Discovery and Development Laboratory II, Hanno Research Center, Taiho Pharmaceutical Co. , Hanno, Saitama, Japan;5. Department of Applied Chemistry , Faculty of Engineering, Okayama University , Okayama, Japan |