Synonyms: (S)-3-Phenyl-6-oxomorpholine-4-carboxylicacid tert-butyl ester;4-Morpholinecarboxylic acid, 2-oxo-5-phenyl-, 1,1-dimethylethyl ester, (5S)-;Tert-Butyl (5S)-2-oxo-5-phenylmorpholine-4-carboxylate;(5S)-N-(Tert-butoxycarbonyl)-3,4,5,6-tetrahydro-5-phenyl-4(H)-1,4-oxazin-2-one;AC-4309;CID10945746;TL80090016;