Medicinal chemistry had its beginning when chemists, pharmacists and physicians isolated and purified active principles of plant and animal tissues. The book has various content such as introduction, naming of organic Medicinal compounds, literature of Medicinal chemistry, classification of drugs, drug design, diagnostic agents, pharmaceutical aids, solvents, suspending agent,surfactants and flavours. This book is useful for any researchers of Chemistry, pharmacy or related discipline who are familiar with Medicinal chemistry.