1. Organic Synthesis Laboratory, Institute of Science, Universiti Teknologi MARA, Cawangan Selangor, Bandar Puncak Alam, Selangor, Malaysia
2. Faculty of Applied Sciences, Universiti Teknologi MARA, Shah Alam, Selangor, Malaysia
3. Faculty of Applied Sciences, Universiti Teknologi MARA, Cawangan Negeri Sembilan, Kuala Pilah, Negeri Sembilan, Malaysia