... -Carboxy-2,2-dimethyl-4-phenyl-3-(tert-butoxycarbonyl)oxazolidine;(4S,5R)-N-(tert-Butoxycarbonyl)-2,2-dimethyl-4-phenyl-5-oxazolidinecarboxylicacid;(4S,5R)-N-(tert-butoxycarbonyl)-2,2-dimethyl-4 ... -phenyl-5-oxazolidinecarboxylic acid;(4S-trans)-2,2-Dimethyl-4-phenyl ...