1. Department of Pharmaceutical Chemistry, Al Shifa College of Pharmacy, Perintalmanna, Kerala -679325, India
2. Department of Pharmaceutical Chemistry, Poona College of Pharmacy, BVDU Pune 411038., Maharashtra, India
3. School of Pure & Applied Physics, M.G. University, Kottayam, India
4. Division of Drug Design and Medicinal Chemistry Research Lab, Department of Pharmaceutical Chemistry, Ahalia School of Pharmacy, Palakkad -678557, Kerala, India