1. Department of Chemistry, Jawaharlal Nehru Technological University Anantapur, Ananthapuramu, Andhra Pradesh 515002, India
2. Analytical Research and Development, IPDO, Dr. Reddy’s Laboratories Limited, Hyderabad 500090, India
3. Department of Chemistry, Acharya Nagarjuna University, Nagarjuna Nagar, Guntur, Andhra Pradesh 522510, India