1. Department of Chemistry, University of Illinois at Urbana−Champaign, 600 S. Mathews Avenue, Urbana, Illinois 61801, United States
2. Department of Chemistry, Central University of Rajasthan, NH-8, Bandarsindri, Ajmer, Rajasthan 305817, India
3. Department of Chemistry, Washington University, One Brookings Drive, St. Louis, Missouri 63130, United States
4. Hope Center for Neurological Disorders, Washington University School of Medicine, St. Louis, Missouri 63110, United States