Schaumann, E. <br/><br/>
Hetarenes IVSix-membered and larger hetero-rings with maximum unsaturation 

 -  Thieme Medical Publisher Pvt. Ltd.  1997 
<br/><br/><label>ISBN: </label>9783131966544 
<br/><br/><label>Source: </label>EBOOK 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry