1. Department of Chemistry, University of Calcutta, Kolkata 700009, India
2. Department of Chemistry, Malda College, Malda, West Bengal 732101, India
3. Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, v.v.i., Flemingovo nám. 2, Prague 6, Praha 16610, Czech Republic
4. Department of Applied Chemistry, Maulana Abul Kalam Azad University of Technology, Haringhata, West Bengal 741249, India
5. Department of Chemistry, Jadavpur University, Kolkata 700032, India