Lisinopril (N2-[(1S)-1-carboxy-3-phenylpropyl]-L-lysyl-L-proline)
Lisinopril EP Impurity G ((2S)-1-[(2S)-6-Amino-2-[[(2S)-1-[[(5S)-5-[[(1S)-1-carboxy-3-phenylpropyl]amino]-6-[(2S)-2-carboxypyrrolidin-1-yl]-6-oxohexyl]amino]-1-oxo-4-phenylbutan-2-yl]amino]hexanoyl]pyrrolidine-2-carboxylic acid)