methyl 3-[(2-phenylethyl)amino]butanoate

methyl 3-(hexylamino)butanoate

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

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

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

methyl 3-{[3-(dimethylamino)propyl]amino}butanoate

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

methyl 3-{[(2-chlorophenyl)methyl]amino}butanoate

methyl 3-(cycloheptylamino)-2-methylpropanoate

ethyl 3-(azepan-1-yl)propanoate

3-{[2-(1H-indol-3-yl)ethyl]amino}propanoic acid

3-[bis(2-methoxyethyl)amino]propanoic acid

1-chloro-3-(naphthalen-1-yl)propan-2-one

1-chloro-3-(3,5-difluorophenyl)propan-2-one

[(3-phenoxyphenyl)methyl](propan-2-yl)amine