1. Department of Chemistry
2. Prabhat Kumar College
3. Purba Medinipur 721401
4. India
5. Biophysical Chemistry Laboratory
6. Organic and Medicinal Chemistry Division
7. CSIR-Indian Institute of Chemical Biology
8. Kolkata 700 032
9. Indian Institute of Engineering Science and Technology
10. Howrah-711 103
11. University of Siegen