@book{39204,
	author = {Madan, R. L. and Mangala, Bindu},
	title = {Natural Products, Heterocyclic Compounds, Nitrogen containing compounds and Polynuclear Hydrocarbons: Chemistry for B.Sc. Students},
	publisher = {S. Chand Publishing},
	year = {2026},
	address = {New Delhi,}
}