Allen, C.F.H. <br/><br/>
Six-membered heterocyelic nitrogen compounds with three condensed rings  C.F.H. Allen. 

 - New York  Interscience Pub  1958 
 - xxii, 624p. 
<br/><br/>Contents: v. 12 The chemistry of heterocyclic compounds. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Heterocyclic compounds Chemistry organic.
<br/><br/><label>Dewey Class. No.: </label>547.7  / A39S