Not Less Than - 95%
(2S)-6-Amino-2-[[(1S)-1-carboxy-3-phenylpropyl]amino]hexanoic acid (as per EP) ; [(S)-1-Carboxy-3-phenylpropyl]-l-lysine (as per USP); Lisinopril CPP Lysine Impurity ; Lisinopril Des-Proline Impurity ; N-Alkyl-l-lysine (USP); N2-(S)-1-Carboxy-3-phenylpropyl-L-lysine; [S-(R*,R*)]-α-[(5-Amino-1-carboxypentyl)amino]benzenebutanoic Acid;