Lisinopril Impurity 15

Ethyl 2-oxo-4-phenylbutanoate; Ethyl 2-oxo-4-phenylbutanoate; 2-Oxo-4-phenylbutyric Acid Ethyl Ester; Ethyl 4-Phenyl-2-oxobutyrate; 4-Phenyl-2-oxobutyric Acid Ethyl Ester; Ethyl 4-Phenyl-2-oxobutanoate; Ethyl Benzylpyruvate;