Hong Soon Hyeok, Chlenov Anatoly, Day Michael W, Grubbs Robert H
The Arnold and Mabel Beckman Laboratory of Chemical Synthesis, Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, CA 91125, USA.
Angew Chem Int Ed Engl. 2007;46(27):5148-51. doi: 10.1002/anie.200701234.