1. Faculty of Applied Sciences, Universiti Teknologi MARA, Cawangan Negeri Sembilan, Kampus Kuala Pilah, Negeri Sembilan, Malaysia
2. Atta-ur-Rahman Institute for Natural Product Discovery (AuRIns), Universiti Teknologi MARA, Bandar Puncak Alam, Selangor, Malaysia
3. X-ray Crystallography Unit, School of Physics, Universiti Sains Malaysia (USM), Penang, Malaysia
4. Academy of Sciences Malaysia, Kuala Lumpur, Malaysia