Heterocyclic chemistry/ 
Joule, J.A. 
 - 5th ed. 
 - London:  John Wiley & Sons,  2010. 
 - 689 p. 
<br/><br/><label>ISBN: </label>9781405133005 
<br/><br/><label>Dewey Class. No.: </label>547.59  / JOU/H