@book{23,
	author = {Bhandari, Anil, Dr. and Singh, G. K. , Dr.},
	title = {Textbook of pharmaceutical organic chemistry/},
	publisher = {CBS Publishers & Distributors},
	year = {2015},
	address = {New Delhi},
	url = {http://paramountbooks.com.pk/loginindex.asp?title=TEXTBOOK-OF-PHARMACEUTICAL-ORGANIC-CHEMISTRY-(AS-PER-EDUCATION-REGULATION-1991)-(pb)2007&isbn=8123906803&opt=3&SubCat=06&Cat=06031}
}