8-[(oxiran-2-yl)methyl]-1,4-dioxa-8-azaspiro[4.5]decane

tert-butyl 3-{[(furan-2-yl)methyl]amino}propanoate

tert-butyl 3-(butylamino)propanoate

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

tert-butyl 3-{[3-(morpholin-4-yl)propyl]amino}propanoate

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

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

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

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

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

ethyl 3-(hexylamino)propanoate