Vagner Josef, Xu Liping, Handl Heather L, Josan Jatinder S, Morse David L, Mash Eugene A, Gillies Robert J, Hruby Victor J
Department of Chemistry, University of Arizona, 1306 E. University, Tucson, AZ 85721, USA.
Angew Chem Int Ed Engl. 2008;47(9):1685-8. doi: 10.1002/anie.200702770.