Xu Yan, Ishizuka Takumi, Kurabayashi Kaori, Komiyama Makoto
Research Center for Advanced Science and Technology, The University of Tokyo, Komaba, Meguro-ku, Tokyo 153-8904, Japan.
Angew Chem Int Ed Engl. 2009;48(42):7833-6. doi: 10.1002/anie.200903858.