(S)-tert-Butyl 1-(2-amino-4-fluorophenyl)pyrrolidin-3-ylcarbamate

(R)-tert-Butyl 3-(2-amino-4-fluorophenoxy)pyrrolidine-1-carboxylate

N-(Piperidin-4-yl)pyridine-2-sulfonamidedihydrochloride

tert-Butyl 4-(3-aminophenylsulfonamido)piperidine-1-carboxylate

N-Ethyl-N-(piperidin-4-yl)propionamide hydrochloride

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

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

tert-Butyl 4-(5-nitropyridin-2-yloxy)piperidine-1-carboxylate

5-Nitro-2-(piperidin-4-ylmethoxy)pyridine hydrochloride

1-(2-Fluoro-6-nitrophenyl)piperidin-4-amine hydrochloride

(S)-tert-Butyl 1-(2-amino-6-fluorophenyl)pyrrolidin-3-ylcarbamate