1. Department
of Chemistry, University of Texas at Dallas, 800 West Campbell Road, Richardson, Texas 75080, United States
2. Depatment
of Pharmaceutical Sciences, University of North Texas System College
of Pharmacy, University of North Texas Health Science Center, 3500
Camp Bowie Boulevard, Fort Worth, Texas 76107, United States
3. Texas Health Research and Education Institute, Plano, Texas 75093, United States