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

tert-butyl 3-[(1-phenylethyl)amino]propanoate

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

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

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

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

ethyl 3-(butylamino)propanoate

ethyl 3-[(1-phenylethyl)amino]propanoate

ethyl 3-[(3-methylbutyl)amino]propanoate

ethyl 3-{[5-(diethylamino)pentan-2-yl]amino}propanoate

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

ethyl 3-[(2,2-diethoxyethyl)amino]propanoate

tert-butyl 3-[(2-ethoxyethyl)amino]-2-methylpropanoate

tert-butyl 2-methyl-3-(propylamino)propanoate

tert-butyl 2-methyl-3-(pentylamino)propanoate