Wang Cheng, Li Zongxi, Cao Dennis, Zhao Yan-Li, Gaines Justin W, Bozdemir O Altan, Ambrogio Michael W, Frasconi Marco, Botros Youssry Y, Zink Jeffrey I, Stoddart J Fraser
Center for the Chemistry of Integrated Systems, Department of Chemistry, Northwestern University, Evanston, IL 60208, USA.
Angew Chem Int Ed Engl. 2012 May 29;51(22):5460-5. doi: 10.1002/anie.201107960. Epub 2012 Apr 13.