tert-Butyl 3-[(2-pyridinyloxy)methyl]-1-pyrrolidinecarboxylate

tert-Butyl 3-[(4-methoxyphenoxy)methyl]-1-pyrrolidinecarboxylate

tert-Butyl 3-((2R,6S)-2,6-dimethylmorpholino)azetidine-1-carboxylate

tert-Butyl 3-(2,6-dichlorophenyl)-3-hydroxy-1-piperidinecarboxylate

tert-Butyl 3-(5,6,7,8-tetrahydroimidazo[1,2-a]pyrazin-3-yl)propanoate

tert-Butyl 3-(ethylamino)propanoate

tert-Butyl 3-cyclopropyl-3-oxopropanoate

tert-Butyl 4-{[(dimethylamino)acetyl]amino}-1-piperidinecarboxylate

tert-Butyl 4-[[4-(ethoxycarbonyl)-1-piperidinyl]methyl]-1-piperidinecarboxylate

tert-Butyl 4-(2-hydroxy-3-isopropoxypropyl)-1-piperazinecarboxylate

tert-Butyl 4-(3-iodo-2-pyridinyl)-1-piperazinecarboxylate

tert-Butyl 4-(5-amino-3-isoxazolyl)-1-piperidinecarboxylate

tert-Butyl 4-benzoyl-1-piperazinecarboxylate

tert-Butyl 5-chloro-3,4-dihydro[2,6]naphthyridine-2(1H)-carboxylate

tert-Butyl 7-methoxy-4-oxospiro[chroman-2,4′-piperidine]-1′-carboxylate