1. Department of Pharmaceutical Chemistry and Pharmacognosy; Center of Excellence for Innovation in Chemistry; Faculty of Pharmaceutical Sciences; Naresuan University; Phitsanulok; 65000; Thailand
2. Thailand Regional Medical Sciences Center 9; Department of Medical Sciences; Ministry of Public Health; Phitsanulok; 65000; Thailand
3. Faculty of Pharmaceutical Sciences; Khon Kaen University; Khon Kaen; 40002; Thailand
4. Department of Medicinal Plant Breeding; Graduate School of Pharmaceutical Sciences; Kyushu University; Fukuoka; 812-8582; Japan
5. National Center for Natural Products Research; Department of Pharmacognocy; School of Pharmacy; The University of Mississippi; Mississippi; United State of America