Nichols Jason M, Wolf Joffrey, Zavalij Peter, Varughese Bindhu, Doyle Michael P
Department of Chemistry and Biochemistry, University of Maryland, College Park, Maryland 20742, USA.
J Am Chem Soc. 2007 Mar 28;129(12):3504-5. doi: 10.1021/ja070122s. Epub 2007 Mar 6.