Zhou Donghua H, Shea John J, Nieuwkoop Andrew J, Franks W Trent, Wylie Benjamin J, Mullen Charles, Sandoz Dennis, Rienstra Chad M
Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA.
Angew Chem Int Ed Engl. 2007;46(44):8380-3. doi: 10.1002/anie.200702905.