การบูร, whose IUPAC name is 1,7,7-trimethylbicyclo[2.2.1]heptan-2-one, is a terpenoid organic compound with a chemical formula of C10H16O. It is a white or transparent waxy solid at room temperature and can be used to repel insects. การบูร is extracted from the trunk of การบูร tree. The older the การบูร tree, the more การบูร is in it. The extraction method is to cut the tree trunk into small pieces and distill it with water. After the การบูร oil is heated, it rises with water vapor, and it can form การบูร when it comes into contact with the pottery jar placed above to cool it. In the early days of northern Taiwan, the mountain forests were mostly primitive การบูร forests, and many old การบูรต้นไม้มีอายุมากกว่าหนึ่งพันปี ต่อมารัฐบาลญี่ปุ่นได้ลดจำนวนลงการบูร for export in Taiwan. Therefore, Taiwan's การบูร export once reached the first place in the world. Most of the mothballs used in the world are synthesized chemically.This substance may be harmful to the environment, and special attention should be paid to water bodies.Store in a sealed, ventilated, dry place, avoid contact with other oxides.