1. Department of Chemistry, COMSATS Institute of Information Technology, Abbottabad 22060, Pakistan
2. Department of Pharmacy, Quaid-i-Azam University, Islamabad 45320, Pakistan
3. School of Preclinical Medicine, Beijing University of Chinese Medicine, Beijing 100029, China
4. Department of Pharmacy, COMSATS Institute of Information Technology, Abbottabad 22060, Pakistan