Miyamoto Hiroshi, Okawa Yoichiro, Nakazaki Atsuo, Kobayashi Susumu
Process Development Laboratories, Sankyo Co. Ltd. 1-12-1 Shinomiya, Hiratsuka-shi, Kanagawa 254-8560, Japan.
Angew Chem Int Ed Engl. 2006 Mar 27;45(14):2274-7. doi: 10.1002/anie.200504247.