3,5-Dihydroxybenzoic acid

3,5-Dihydroxybenzoic acid, also known as gentisic acid, is a dihydroxybenzoic acid. In pharmaceutical manufacturing, it's used as an intermediate and reagent in the synthesization of various drugs. It possesses antioxidative properties and plays a crucial role in the development of cancer drugs. Its antioxidant property enhances the effect of certain medications, improving their efficacy.