1. Department of Chemistry and Centre of Advanced Studies in Chemistry, Panjab University, Chandigarh 160014, India
2. National Interdisciplinary Centre of Vaccines, Immunotherapeutics and Antimicrobials (NICOVIA), Panjab University, Chandigarh 160 014, India
3. Vanderbilt Institute of Chemical Biology Program in Drug Discovery, Department of Pharmacology, Vanderbilt Medical Center, Nashville, Tennessee 37232, United States