Medicinal chemistry is the application of principles of chemistry, synthetic chemistry and pharmacology for the study and development of pharmaceutical drugs. This book on medicinal chemistry seeks to explain the methods for discovery of new therapeutic drugs and medication. This book outlines the processes and applications of medicinal chemistry in detail. It unfolds the innovative aspects of the field which will be crucial for the progress of this field in the future. This text is appropriate for students seeking detailed information in this area as well as for experts. As this field is emerging at a fast pace, this book will help the readers to better understand the concepts of medicinal chemistry.