(S)-6-(tert-butyloxycarbonylamino)-2-hydroxyhexanoic acid

(3S,4R)-1-(tert-butoxycarbonyl)-4-(4-tert-butylphenyl)pyrrolidine-3-carboxylic acid

(2R,4S)-4-{[(tert-butoxy)carbonyl]amino}pyrrolidine-2-carboxylic acid

3-[2-(benzyloxycarbonylamino)-3-(2-carboxyethoxy)-2-(2-carboxyethoxymethyl)-propoxy]propanoic acid

3-((tert-Butoxycarbonyl)amino)-2-(4-fluorobenzyl)propanoic acid

(S)-1-(tert-Butoxycarbonyl)-2-(4-iodobenzyl)pyrrolidine-2-carboxylic acid

(2S)-2-{[(tert-butoxy)carbonyl]amino}-2-cycloheptylacetic acid

(2R)-([{(benzyloxy)carbonyl}amino]methyl)-3-methylbutanoic acid

(S)-2-((((9H-Fluoren-9-yl)Methoxy)carbonyl)aMino)-3-hydroxypropanoic acid hydrate

D-Tryptophan, N-[(1,1-dimethylethoxy)carbonyl]-1-methyl-