tert-Butyl 1-(cyclohexylcarbonyl)-4-piperidinylcarbamate

tert-Butyl 1-pyrazolidinecarboxylate

tert-Butyl 2-(2-chloro-1H-benzimidazol-1-yl)ethyl(methyl)carbamate

tert-Butyl 2-(dimethylamino)-4-oxo-3,5,7,8-tetrahydropyrido[4,3-d]pyrimidine-6(4H)-carboxylate

tert-Butyl 2-tert-butyl-7,8-dihydropyrido[4,3-d]pyrimidine-6(5H)-carboxylate

tert-Butyl 3-[(2E)-3-(dimethylamino)-2-(3-methyl-5-isoxazolyl)-2-propenoyl]-1-piperidinecarboxylate

tert-Butyl 3-[2-(ethoxycarbonyl)phenyl]-1-piperidinecarboxylate

tert-Butyl 3-((4,6-dimethylpyrimidin-2-yloxy)methyl)pyrrolidine-1-carboxylate

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

tert-Butyl 3-(6-chloro-2-pyrazinyl)-1-piperidinecarboxylate

tert-Butyl 3-(neopentylamino)propanoate

tert-Butyl 3-phenoxy-1-azetidinecarboxylate

tert-Butyl 4-[3-(4-chlorophenoxy)-2-hydroxypropyl]-1-piperazinecarboxylate

tert-Butyl 4-{[4-(trifluoromethyl)phenoxy]methyl}-1-piperidinecarboxylate

tert-Butyl 4-(2-hydroxybutyl)piperazine-1-carboxylate