Page 535 - Applied Pharmacognosy
P. 535

The Constructing Units                 534

7.  CIt4Nis  unit: Usually  found as pyrrolidine system.
             formed from    the amino acid L-ornithine.
    The carboxyl function and the α-amino nitrogen
    are both lost.

             Pyrrolidine    Ornithine
   530   531   532   533   534   535   536   537   538   539   540