1. Department
of Chemistry and Department of Molecular and Cell Biology, University of Connecticut, Storrs, Connecticut 06269-3060, United States
2. Oral
and Pharyngeal Cancer Branch, National Institute of Dental and Craniofacial
Research, National Institutes of Health, Bethesda, Maryland 20892-4340, United States
3. Department
of Pharmaceutics, School of Pharmacy, University of Connecticut, Storrs, Connecticut 06269-3092, United States