1. Chemistry and Biochemistry, College of Charleston, Charleston, South
Carolina 29424, United States
2. School of Chemistry, University of Edinburgh, West Mains
Road, Edinburgh EH9 3JJ, United Kingdom
3. Department of Chemistry, Eastern Illinois University, 600 Lincoln
Avenue, Charleston, Illinois 61920, United States
4. Department of Chemistry, University of Virginia, McCormick Road,
P.O. Box 400319, Charlottesville, Virginia 22904-4319, United States