tert-Butyl 1-(3-methoxybenzoyl)-4-piperidinylcarbamate

tert-Butyl 1-aminocyclopentanecarboxylate hydrochloride

tert-Butyl 1,5-dioxa-8-azaspiro[2.6]nonane-8-carboxylate

tert-Butyl 2-(4-methoxybenzyl)-1-oxo-2,7-diazaspiro[3.5]nonane-7-carboxylate

tert-Butyl 2-hydroxy-2-(3-pyridinyl)ethylcarbamate

tert-Butyl 3-[(2-hydroxyethyl)(methyl)amino]-1-azetidinecarboxylate

tert-Butyl 3-[(3-cyanophenoxy)methyl]-1-pyrrolidinecarboxylate

tert-Butyl 3-[6-(3-methyl-5-isoxazolyl)imidazo[1,2-a]pyrimidin-5-yl]-1-piperidinecarboxylate

tert-Butyl 3-(2-pyrimidinyloxy)-1-azetidinecarboxylate

tert-Butyl [3-(4-methoxyphenyl)-1,2,4-oxadiazol-5-yl]methylcarbamate

tert-Butyl 3-(benzylamino)-1-azetidinecarboxylate

tert-Butyl 3-amino-3-thioxopropylcarbamate

tert-Butyl 4-[(4-chloro-2-cyanophenoxy)methyl]-1-piperidinecarboxylate

tert-Butyl 4-[4-(3-cyanobenzoyl)-1-piperazinyl]-1-piperidinecarboxylate

tert-Butyl 4-(2-amino-4-bromophenyl)-1-piperazinecarboxylate