tert-Butyl 2-(1-pyrrolidinyl)-7,8-dihydropyrido[4,3-d]pyrimidine-6(5H)-carboxylate

tert-Butyl 2-(dimethylamino)-2-phenylethylcarbamate

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

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

tert-Butyl 3-{[(4-methyl-2-pyridinyl)oxy]methyl}-1-pyrrolidinecarboxylate

tert-Butyl 3-((3-cyanopyridin-2-yloxy)methyl)pyrrolidine-1-carboxylate

tert-Butyl 3-(3-amino-4-cyano-1H-pyrazol-1-yl)-1-pyrrolidinecarboxylate

tert-Butyl 3-(6-bromo-2-pyridinyl)-1-pyrrolidinecarboxylate

tert-Butyl 3-(iodomethyl)-2-oxa-8-azaspiro[4.5]decane-8-carboxylate

tert-Butyl 3-formyl-3-phenyl-1-pyrrolidinecarboxylate

tert-Butyl 4-[2-cyano-3-(dimethylamino)-2-propenoyl]-1-piperidinecarboxylate

tert-Butyl 4-[4-(methoxycarbonyl)phenoxy]-1-piperidinecarboxylate

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

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

tert-Butyl 4-(5-bromo-2-tert-butyl-4-pyrimidinyl)-1-piperidinecarboxylate