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

ethyl 3-(tert-butylamino)propanoate

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

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

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

tert-butyl 3-{[3-(dimethylamino)propyl]amino}-2-methylpropanoate

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

tert-butyl 3-{[3-(dimethylamino)-2,2-dimethylpropyl]amino}-2-methylpropanoate

methyl 3-[(3-butoxypropyl)amino]butanoate

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

methyl 3-{[(pyridin-4-yl)methyl]amino}butanoate