2-Oxo-4-phenylbutanoicacid ethyl ester;2-Oxo-4-phenylbutyric acid ethyl ester;4-Phenyl-2-oxobutyricacid ethyl ester;Ethyl 2-oxo-4-phenylbutanoate;Ethyl 3-benzylpyruvate;Ethyl 4-phenyl-2-ketobutyrate;Ethyl4-phenyl-2-oxobutanoate;Ethyl benzylpyruvate;
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