dimethyl 1-benzyl-6-hydroxy-2-oxo-2,7-dihydro-1H-azepine-4,5-dicarboxylate
dimethyl 1-benzyl-6-methoxy-2-oxo-2,7-dihydro-1H-azepine-4,5-dicarboxylate
1-(phenylmethyl)pyrrolidine-2,4-dione
ethyl 2-(benzylamino)acetate
ethyl N-(ethoxycarbonylacetyl)-N-benzylglycinate