1. Department of Chemical Engineering, School of Engineering, University of Mississippi, 134 Anderson Hall, Mississippi 38677-1848, United States
2. Department of Chemistry and Biochemistry, University of Mississippi, Coulter Hall, Mississippi 38677, United States
3. Environmental Resources Engineering Department, College of Environmental Science and Forestry, 206 Bray Hall, Syracuse, New York 13210, United States
4. National Center for Natural Products Research, School of Pharmacy, University of Mississippi, University, MS 38677, United States