N-(tert-butyloxycarbonyl)-(2S,3R)-3-amino-2-hydroxy-4-phenylbutanoic acid methyl ester

(2S,3R)-methyl-2,3-epoxy-4-phenylbutanoic acid

(2R,3S)-methyl 3-bromo-2-hydroxy-4-phenylbutanoate

methyl (2S,3R)-3-azido-2-hydroxy-4-phenylbutanoate

(3R,4R)-5-phenyl-4-((9-phenyl-9H-fluoren-9-yl)amino)pent-1-yn-3-ol