1. Department of Chemistry Aliah University IIA/27, New Town Kolkata 700160 India
2. Centre for Advance Studies in Chemistry North-Eastern Hill University Mawlai Campus Shillong 793022 India
3. Laboratoire de Chimie et Biochimie Pharmacologiques et Toxicologiques – UMR 8601 Université de Paris UFR Biomédicale 45 rue des Saints Pères Paris 75006 France