1. Department of Chemistry, GIS; GITAM University; Rushikonda Visakhapatnam Andhra Pradesh 530045 India
2. API, R & D Unit; Shilpa Medicare Ltd; Modavalasa Vizianagaram Andhra Pradesh 531162 India
3. Centre for Chemical Sciences and Technology, Department of Chemistry, Institute of Science & Technology; Jawaharlal Nehru Technological University Hyderabad; Kukatpally Hyderabad Telangana 500085 India