1. Department of Chemistry and Biochemistry, Worcester Polytechnic Institute, 100 Institute Road, Worcester, Massachusetts 01609, United States
2. Department of Chemistry, Faculty of Arts and Sciences, Mersin University, 33343 Mersin, Turkey
3. Department of Chemistry, Middle East Technical University, 06800 Ankara, Turkey
4. Process Research & Development, MRL, Merck & Co. Inc, 770 Sumneytown Pike, West Point, Pennsylvania 19486, United States