Walton John C, Williams Ffrancon
EaStCHEM School of Chemistry, University of St. Andrews, St. Andrews KY16 9ST, UK.
Department of Chemistry, University of Tennessee, Knoxville, TN 37996-1600, USA.
Molecules. 2015 Feb 9;20(2):2831-4. doi: 10.3390/molecules20022831.