4-methyl-1-[(oxiran-2-yl)methyl]piperidine

3-{[(tert-butoxy)carbonyl](2-phenylethyl)amino}propanoic acid

3-{[(tert-butoxy)carbonyl](hexyl)amino}propanoic acid

3-{[(2H-1,3-benzodioxol-5-yl)methyl][(tert-butoxy)carbonyl]amino}propanoic acid

3-{[(tert-butoxy)carbonyl][(2-methoxyphenyl)methyl]amino}propanoic acid

3-{[(tert-butoxy)carbonyl][2-(4-methoxyphenyl)ethyl]amino}propanoic acid

3-{[(tert-butoxy)carbonyl](cycloheptyl)amino}propanoic acid

tert-butyl 3-[(pentan-2-yl)amino]propanoate

3-{[(tert-butoxy)carbonyl](cyclooctyl)amino}propanoic acid

tert-butyl 3-[(2-methylpropyl)amino]propanoate

tert-butyl 3-{[2-(morpholin-4-yl)ethyl]amino}propanoate