G M Basha & Nayanapalli Pramod 
Structural Classification of Drugs [EPUB ebook] 
A Quick Reference Guide

This book is written to make the students get rid of the phobia in medicinal chemistry. I don't say that you can learn classification of drugs in medicinal chemistry at a glance with the help of this book but this book will help you to practice the structures in classification of drugs
repeatedly. This book will save much of your time in acquiring knowledge in medicinal chemistry. I can assure that this book will help both in competitive exams like GPAT and also in university exams. I can confidently say this book will definitely bring confidence to every student in medicinal chemistry. I encourage advices and suggestions for progress in future.