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

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

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

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

ethyl 3-(4-methylpiperidin-1-yl)propanoate

ethyl 3-(2,6-dimethylpiperidin-1-yl)propanoate

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

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

(propan-2-yl)[(thiophen-2-yl)methyl]amine

[(2,4-dimethylphenyl)methyl](propan-2-yl)amine

2,6-dimethoxy-4-{[(propan-2-yl)amino]methyl}phenol