1. Department of Studies in Organic Chemistry University of Mysore, Manasagangotri Mysuru 570006 India
2. Postgraduate and Research Department of Chemistry Government College Kasaragod Kannur University Kasaragod Kerala 671123 India
3. Innovation Center for Chemical and Pharmaceutical Technologies Institute of Chemical Technology Ural Federal University 19 Mira Street Yekaterinburg 620002 Russia
4. Department of Studies in Chemistry University of Mysore, Manasagangotri Mysuru 570006 India