Gupta RR <br/><br/>
Heterocyclic chemistry 

<br/><br/><label>ISBN: </label>SL01291249 
<br/><br/><label>Standard No.: </label>193497 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>E8, N8;2;9