Kawata Atsushi, Takata Kazumi, Kuninobu Yoichiro, Takai Kazuhiko
Division of Chemistry and Biochemistry, Graduate School of Natural Science and Technology, Okayama University, Tsushima, Okayama 700-8530, Japan.
Angew Chem Int Ed Engl. 2007;46(41):7793-5. doi: 10.1002/anie.200702798.