gupta <br/><br/>
heterocyclic chemistry 

<br/><br/><label>ISBN: </label>SL01290962 
<br/><br/><label>Standard No.: </label>193385 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>E8, N8.2;6