Ethyl 1-(2-nitrophenyl)piperidine-4-carboxylate

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

tert-Butyl 4-(2-fluorobenzamido)piperidine-1-carboxylate

2-Fluoro-N-(piperidine-4-yl)benzamido hydrochloride

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

3-Nitro-N-(piperidine-4-yl)benzamido hydrochloride

tert-Butyl 4-(2-bromobenzylamino)piperidine-1-carboxylate

(R)-tert-Butyl 1-(5-nitropyridine-2-yl)pyrrolidine-3-ylcarbamate

(1R,4R)-4-(3-Fluoro-2-nitrophenylamino)cyclohexanol

tert-Butyl 4-[(3-fluoro-2-nitrophenylamino)methyl]piperidine-1-carboxylate

(1R,4R)-4-(3-Nitropyridine-2-ylamino)cyclohexanol