1. Organic and Medicinal Chemistry Division, CSIR-Indian Institute of Chemical Biology, 4, Raja S. C. Mullick Road, Jadavpur, Kolkata 700032, India
2. Department of Chemistry, Indian Institute of Technology (IIT) Kharagpur, Kharagpur, West Bengal 721302, India
3. Department of Chemistry, University of Calcutta, 92 A.P.C. Road, Kolkata 700009, India