1. Department of Chemistry and Center for Innovation in Chemistry, Faculty of Science, Khon Kaen University, Khon Kaen, Thailand
2. Department of Biochemistry, Faculty of Science, Khon Kaen University, Khon Kaen, Thailand
3. Applied Taxonomic Research Center, Department of Chemistry, and Center for Innovation in Chemistry, Faculty of Science, Khon Kaen University, Khon Kaen, Thailand