@book{4247,
	author = {Dewick, Paul M.},
	title = {Medicinal Natural Products : a biosynthetic approach /},
	publisher = {Wiley ,},
	year = {2007 .},
	address = {England :},
	edition = {2nd ed.},
	url = {https://books.google.com.pk/books?id=A4zptjOJfKQC&printsec=frontcover&dq=Medicinal+natural+products+:+a+biosynthetic+approach&hl=en&sa=X&ved=2ahUKEwieg8SKitz3AhXLGewKHduRB5EQ6AF6BAgKEAI#v=onepage&q=Medicinal%20natural%20products%20%3A%20a%20biosynthetic%20approach&f=false}
}