1. Department of Chemistry, Faculty of Science, University of Malaya, 50603 Kuala Lumpur, Malaysia
2. Department of Pharmacy, Faculty of Medicine, University of Malaya, 50603, Kuala Lumpur, Malaysia
3. Institute of Chemical Sciences, University of Peshawar, 25120, Peshawar, Pakistan
4. Centre for Natural Products and Drug Discovery, Wellness Research Cluster, University of Malaya, 50603, Kuala Lumpur, Malaysia