1. Natural Products Research Unit, Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Khon Kaen University, Khon Kaen, Thailand
2. Department of Applied Chemistry, Faculty of Sciences and Liberal Arts, Rajamangala University of Technology Isan, Nakhon Ratchasima, Thailand
3. Natural products Research Section, Research Division, National Cancer Institute, Bangkok, Thailand
4. Department of Horticulture, University of Agricultural Sciences and Veterinary Medicine, Cluj-Napoca, Romania
5. Department of Crop Sciences and Agroforestry, Faculty of Tropical AgriSciences, Czech University of Life Sciences Prague, Prague, Czech Republic