1. Graduate School of Pharmaceutical Sciences, Khon Kaen University, Khon Kaen 40002, Thailand
2. Division of Pharmaceutical Chemistry, Faculty of Pharmaceutical Sciences, Khon Kaen University, Khon Kaen 40002, Thailand
3. Department of Pharmacy, Chao Phya Abhaibhubejhr Hospital, Ministry of Public Health, Tha Ngam, Prachinburi 25000, Thailand