1. INSERM U456, Détoxication et Réparation Tissulaire, Faculté des Sciences Pharmaceutiques et Biologiques, Université de Rennes I, 35043 Rennes Cedex, France, Department of Chemistry, Kalamazoo College, Kalamazoo, Michigan 49006-3295, and Department of Biochemistry and Center in Molecular Toxicology, Vanderbilt University School of Medicine, Nashville, Tennessee 37232-0146