1. Laboratory of Natural Products, and Center for Innovation in Chemistry, Faculty of Science, Lampang Rajabhat University, 52100 Lampang, Thailand
2. Department of Chemistry, and Center for Innovation in Chemistry, Faculty of Science, Chiang Mai University, 50300 Chiang Mai, Thailand
3. The Forest Herbarium, Department of National Park, Wildlife and Plant Conservation, Ministry of Natural Resources and Environment, 10900 Bangkok, Thailand
4. Department of Surgery, Faculty of Medicine, Chiang Mai University, 50300 Chiang Mai, Thailand