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

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

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

tert-butyl 3-{[3-(dimethylamino)propyl]amino}propanoate

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

tert-butyl 3-(octylamino)propanoate

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

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

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

ethyl 3-{[(thiophen-2-yl)methyl]amino}propanoate

ethyl 3-(octylamino)propanoate

tert-butyl 3-{[3-(propan-2-yloxy)propyl]amino}propanoate

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

tert-butyl 2-methyl-3-{[2-(pyrrolidin-1-yl)ethyl]amino}propanoate

tert-butyl 3-{[(4-fluorophenyl)methyl]amino}-2-methylpropanoate