Heterocyclic Compounds 

 - New York :   John  Wiley,  1952  
 - Polycyclic Derivatives of Pyrrole; Polycyclic Systems With One Nitrogen Common to Both Rings; Pyrindine and Related Compounds  3  .
<br/><br/><label>Standard No.: </label>DEX-M7008 
<br/><br/><label>Subjects--Topical Terms: </label><br/>HETEROCICLOS
<br/><br/><label>Universal Decimal Class. No.: </label>547.8