1. Department of Chemistry, Western Illinois University, 1 University Circle, Macomb, IL 61455, USA
2. Ricon Pharmaceuticals LLC, 100 Ford Road, Denville, NJ 07834, USA
3. Pooja Bhagavat Memorial Mahajana PG Centre, University of Mysore, KRS Road, Mysore 570 016, India
4. Department of Studies in Chemistry, University of Mysore, Manasagangothri, Mysore 570 006, India