The book entitled natural products' chemistry, contains the papers presented by various eminent personalities, academicians, research scholars and students in their respective field. This book consists 16 chapters in five parts, i.e. Part-I contains three chapters related to synthetic medicinal chemistry, Part-II contains four chapters belong to natural products chemistry, Part-III contains four chapters of pharmacognosy of natural products, Part-IV contains one chapter related to bio-technology of natural products and Part-V contains four chapters related to commercialization of natural products and others.