Lisinopril EP Impurity E

Chemical Name: Lisinopril epimer ; lisinopril R,S,S-isomer ; (2S)-1-[(2S)-6-amino-2-[[(1R)-1-carboxy-3-phenylpropyl]amino]hexanoyl]pyrrolidine-2-carboxylic acid ; [(R)-1-Carboxy-3-phenylpropyl]-l-lysyl-l-proline