1. Department Science and Humanities, Chemistry Division, Vignan's Foundation for Science Technology and Research, University (VFSTR) University, Vadlamudi, Guntur-522 213, Andhra Pradesh, India
2. Department of Chemistry, Krishna University, Krishna District, Andhra Pradesh, India
3. Dr. Reddy's Institute of Life Sciences, University of Hyderabad Campus, Gachibowli, Hyderabad 500 046, India