tert-Butyl 1-(4-fluorobenzoyl)piperidin-4-ylcarbamate

tert-Butyl 4-(4-aminophenylsulfonamido)piperidine-1-carboxylate

tert-Butyl 1-(3-nitrobenzoyl)piperidin-4-ylcarbamate

(4-Aminopiperidin-1-yl)(4-nitrophenyl)methanone hydrochloride

tert-Butyl 1-(3,3-dimethyl-2-oxobutyl)piperidin-4-ylcarbamate

1-(3-Chloro-4-fluorobenzyl)piperidin-4-amine dihydrochloride

1-(4-Fluoro-2-methylbenzyl)piperidin-4-amine dihydrochloride

tert-Butyl 1-(2-chloro-6-fluorobenzyl)piperidin-4-ylcarbamate

1-(5-Chloro-2-fluorobenzyl)piperidin-4-amine dihydrochloride

tert-Butyl 1-(5-fluoro-2-methylbenzyl)piperidin-4-ylcarbamate

Methyl 4-[4-(tert-butoxycarbonylamino)piperidin-1-yl]methylbenzoate