tert-Butyl (3-(pyridin-2-yl)-1,2,4-oxadiazol-5-yl)methylcarbamate

tert-Butyl (3R)-1-(4-fluorobenzoyl)-3-pyrrolidinylcarbamate

tert-Butyl (3S)-1-(cyclopropylcarbonyl)-3-pyrrolidinylcarbamate

tert-Butyl (S,Z)-(4-(4-bromothiophen-2-yl)-1,4-dimethyl-6-oxotetrahydropyrimidin-2(1H)-ylidene)carbamate

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

tert-Butyl 1,2,4,5-tetrahydro-3H-3-benzazepine-3-carboxylate

tert-Butyl 2-(5-amino-1H-pyrazol-3-yl)-1-piperidinecarboxylate

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

tert-Butyl 3-{[(3-chloro-2-pyrazinyl)amino]methyl}-1-piperidinecarboxylate

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

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

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

tert-Butyl 3-amino-2,6-dihydropyrrolo[3,4-c]pyrazole-5(4H)-carboxylate

tert-Butyl 4-[(4,6-dimethyl-2-pyrimidinyl)amino]-1-piperidinecarboxylate

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