1. Chemistry Department
2. Faculty of Science
3. University of Malaya (UM)
4. 50603 Kuala Lumpur
5. Malaysia
6. Department of Pharmacy
7. Faculty of Medicine
8. University of Malaya
9. Centre for Natural Products and Drug Discovery (CENAR)
10. Department of Restorative Dentistry
11. Faculty of Dentistry
12. Department of Oral Medicine and Periodontology