4-(4-((R)-5-benzyloxymethyl-2-oxo-oxazolidin-3-yl)phenyl)morpholin-3-one

4-(4-(R)-3-benzyloxy-2-hydroxy-propylamino)phenyl-morpholin-3-one

acetic acid-1-benzyloxymethyl-2-[(R)-4-(3-oxo-morpholin-4-yl)phenylamino]-ethylester

acetic acid-1-benzyloxymethyl-2-{[(R)-(3-oxo-morpholin-4-yl)-phenyl]-chlorocarbonyl-amino} ethyl ester

4-(4-((R)-5-((phenyloxycarbonyloxy)methyl)-2-oxo-oxazolidin-3-yl)phenyl)-morpholin-3-one