Book excerpt: Advances in Structure and Activity Relationship of Coumarin Derivatives covers the structural behavior of various coumarin derivatives for various potential pharmaceutical applications. Based on substitution targeted for active sites, the book takes a rational approach for designing new and specific potent drugs, optimizing existing ones, and developing novel reactions. This focused primer describes the chemical structure and activity of coumarin derivatives to explore the effects of different substituents at specific positions, and their properties for effective bioactivity. - Accessible and current coverage of coumarin derivatives from structure to potential applications - Application of SAR technology to predict bioactivity of the derivatives based on its chemical structure - Information for researchers in medicinal chemistry, pharmaceutical sciences, and related fields