Katritzky, Alan R.. <br/><br/>
Comprehensive Heterocyclic Chemistry: The Structure, Reactions, Synthesis and Uses of Heterocyclic Compounds /  

 - 1st ed /  
 - England :   Pergamero Press Ltd. ,   1974 
 - p.731 :  
<br/><br/><label>ISBN: </label>0-08-030701-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Heterocyclic Compounds
<br/><br/><label>Dewey Class. No.: </label>E8  / M4.1