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

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

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

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

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

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

tert-butyl 3-{[(pyridin-4-yl)methyl]amino}propanoate

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

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

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

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