1. Department of Chemistry, University of Calcutta, 92 APC Road, Kolkata 700009, India
2. Molecular & Human Genetics Division, CSIR−Indian Institute of Chemical Biology, 4 Raja S. C. Mallick Road, Kolkata 700032, India
3. Department of Chemistry, Dr. B. N. Dutta Smriti Mahavidyalaya, Burdwan 713407, India