Santonic acid is an organic compound that is commonly used in pharmaceuticals, perfumes, and various industrial applications. It is known for its unique properties, including its ability to act as a chelating agent and a precursor to many other organic compounds. Some synonyms for santonic acid include dihydroxycoumarin, 2,3-dihydroxycoumaric acid, and 2,3-dihydroxybenzoic acid. These synonyms are often used interchangeably in scientific literature and in industry to refer to the same compound. While santonic acid has a relatively simple chemical structure, its many applications and uses make it a valuable ingredient in a wide range of products.