Medicinal chemistry, an evolving and interdisciplinary field, is the study of therapeutically active compounds. This textbook provides a concise introduction to Pharmaceutical medicinal chemistry suitable for the undergraduate B.Pharm students. Focusing on the syllabus followed by AKTU, Lucknow, this textbook has discussed all the syllabus containing drugs, their mechanism of action, SAR, Chemical synthesis, Use, IUPAC name and adverse effects. This book has depicted all the mechanisms of mentioned several class drugs and their colored pictorial presentation. This book will be very much helpful for the Pharma students in an easy way.