2-(4-Methoxy-1-naphtyl)-2-acetoxy-3-oxobutyric acid ethyl ester
2-(4-Methoxy-1-naphtyl)-2-acetoxy-3-oxobutyric acid ethyl ester ??
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2-(4-Methoxy-1-naphtyl)-2-acetoxy-3-oxobutyric acid ethyl ester C??? ??, ??, ??
2-(4-Methoxy-1-naphtyl)-2-acetoxy-3-oxobutyric acid ethyl ester ?? ?? ? ???
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2-(4-Methoxy-1-naphtyl)-2-acetoxy-3-oxobutyric acid ethyl ester ?? ??
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