Ernst Schaumann <br/><br/>
Category 2, Hetarenes and Related Ring Systems Five-Membered Hetarenes with One  

 -  Thieme Medical Publisher Pvt. Ltd.  2002 
<br/><br/><label>ISBN: </label>9783131836113 
<br/><br/><label>Source: </label>EBOOK 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry