2-[(2-Oxooxazolidin-3-yl)carbonyl]-3-phenyl-3-morpholinocyclobutane-1-carboxylic acid methyl ester C??? ??, ??, ??

2-[(2-Oxooxazolidin-3-yl)carbonyl]-3-phenyl-3-morpholinocyclobutane-1-carboxylic acid methyl ester ?? ?? ? ???

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2-[(2-Oxooxazolidin-3-yl)carbonyl]-3-phenyl-3-morpholinocyclobutane-1-carboxylic acid methyl ester ?? ??