Medicinal chemistry plays an indispensable role in drugs and chemical domain and many developments in medicinal chemistry have been rapidly taking place. In this new edition of Medicinal Chemistry, the latest developments in the field of medicinal chemistry have been incorporated, and all the important topics, Antibiotics, Quinolones antibacterial, Sulphonamides, Antitubercular agents, Antiviral agents, Antifungal agents, Antiprotozoal agents, Anthelmintic agents and Drug Design have been included. This book will be valuable to readers wanting to extend their knowledge of several known classes of drug molecules, undergraduate students of pharmacy, and those who have medicinal chemistry as a part of their course curriculum.