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

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

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

3-{[(tert-butoxy)carbonyl](prop-2-en-1-yl)amino}propanoic acid

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

tert-butyl 3-{[(furan-2-yl)methyl]amino}propanoate

tert-butyl 3-(propylamino)propanoate

tert-butyl 3-{[(2H-1,3-benzodioxol-5-yl)methyl]amino}propanoate

tert-butyl 3-{[(pyridin-2-yl)methyl]amino}propanoate

tert-butyl 3-[(prop-2-en-1-yl)amino]propanoate

tert-butyl 3-[(diphenylmethyl)amino]propanoate

ethyl 3-[(2-ethoxyethyl)amino]propanoate

ethyl 3-(hexylamino)propanoate

ethyl 3-{[(4-fluorophenyl)methyl]amino}propanoate

ethyl 3-{[2-(diethylamino)ethyl]amino}propanoate