(2S)-3-(3-Bromophenyl)-2-(tert-butoxycarbonylamino)propionic acid; (S)-3-(3-Bromophenyl)-2-[(tert-butoxycarbonyl)amino]propanoic acid; (S)-3-(3-Bromophenyl)-2-[(tert-butoxycarbonyl)amino]propionic acid,(S)-3-(3-bromophenyl)-2-((tert-butoxycarbonyl)amino)propanoic acid,NULL,Phenylalanine Intermediate