1. 
   Pyrrolidine
   19.56 (pKa of conjugate acid in acetonitrile) Pyrrolidine, also known as tetrahydropyrrole, is an organic compound with the molecular formula C4H9N. It is a cyclic secondary amine with a five-membered heterocycle containing four carbon atoms and one nitrogen atom. It is a clear liquid with an unple...
   Found op http://en.wikipedia.org/wiki/Pyrrolidine
   
   
2. 
   pyrrolidine
   1. Tetrahydropyrrole;pyrrole to which four H atoms have been added; the structural basis of proline and hydroxyproline. ... 2. A class of alkaloids containing a pyrrolidine moiety or a pyrrolidine derivative. ... (05 Mar 2000) ...
   Found op http://www.mondofacto.com/facts/dictionary?pyrrolidine
   
   
3. 
   pyrrolidine
   (pir-ol´ĭ-dēn) a simple base obtained from tobacco or prepared from pyrrole.
   Found op http://www.encyclo.co.uk/local/21001
   
   
4. 
   pyrrolidine
   Type: Term Pronunciation: pi-rol′i-dēn Definitions: 1. pyrrole to which four H atoms have been added; the structural basis of proline and hydroxyproline. 2. A class of alkaloids containing a pyrrolidine (1) moiety or a pyrrolidine derivative.
   Found op http://www.medilexicon.com/medicaldictionary.php?t=74548
   
   

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