rac-α-phenylalanine amide

(6S)-6-tert-Butyl-3,6-dihydro-5-methoxy-3-methyl-3-phenyl-2H-1,4-oxazin-2-on

2-((4-bromobenzyl)amino)-2-phenylpropanoic acid

benzyl (R)-2-azido-2-phenylpropanoate

2-(benzylamino)-2-phenylpropanoic acid