1-[2-Amino-1-oxo-6-[(2,2,2-trifluoro-1-oxoethyl)amino]hexyl]-2-pyrrolidinecarboxylic acid

n6-trifluoroacetyl-l-lysyl-l-proline ; nε-trifluoroacetyl-lys-pro ; epsilon-trifluoroacetyl-l-lysyl-l-proline ; epsilon-trifluoracetyl-l-lysyl-l-proline ; n6-trifluoroacetyl-l-lysyl-l-proline (for lisinopril) ; tfa-lys-pro ; nepsilon-trifluoroacetyl-l-lysyl-l-proline ; h-lys(tfa)-pro-oh ; n-epsilon-trifluoroacetyl-lys-pro ; n-(n6-trifluoroacetyl-l-lysyl)-l-proline