1. Department of Chemistry, Indian Institute of Technology Guwahati (IITG), Guwahati 781039, Assam, India
2. Department
of Molecular Modelling, Institute of Organic Chemistry and Biochemistry ASCR, Flemingovo nám. 2, CZ-16610 Prague 6, Czech Republic
3. Department
of Chemistry, R. K. Mission Residential College, Narendrapur, Kolkata 700103, India