Katritzky, A. R. <br/><br/>
Handbook Of Heterocyclic Chemistry 3Ed 
Katritzky A.R. 
 -  Elsevier  2010 
<br/><br/><label>ISBN: </label>9780080958439 
<br/><br/><label>Dewey Class. No.: </label>547.622  / KAT