Pierson Justin M, Ingalls Erica L, Vo Richard D, Michael Forrest E
Department of Chemistry, University of Washington, Seattle, Box 351700, WA 98195-1700 (USA).
Angew Chem Int Ed Engl. 2013 Dec 9;52(50):13311-3. doi: 10.1002/anie.201305766. Epub 2013 Oct 24.