Comprehensive Heteroyclic Chemistry. 

 - Oxford    Pergamon Press  1984 
<br/><br/><label>ISBN: </label>0080307043 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Heterocyclic Compounds.
<br/><br/><label>LC Class. No.: </label>REF QD 400 .C65