This textbook explores the intricate relationship between chemical structures and their biological effects in the context of drug development. It synthesizes the chemical and pharmaceutical principles essential for understanding structure-activity relationships and the molecular mechanisms of drug action, drawing on the expertise of medicinal chemists and pharmacists.

This textbook is regarded as a foundational text for students and professionals in medicinal and pharmaceutical chemistry. Its comprehensive scope, covering a vast array of drug classes and chemical principles, makes it a valuable reference. The integration of both chemical and biological aspects provides a holistic understanding of drug action. The inclusion of modern topics like combinatorial chemistry and computational drug design ensures its relevance for contemporary research and practice.