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

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

N-(Piperidin-4-yl)morpholine-4-carboxamide hydrochloride

tert-Butyl 4-[3-(2-nitrophenyl)ureido]piperidine-1-carboxylate

1-(Cyclopentyloxy)-2-fluoro-4-nitrobenzene

tert-Butyl 4-(2-amino-6-fluorophenylamino)piperidine-1-carboxylate

1-(Cyclohexyloxy)-2-fluoro-4-nitrobenzene

4-[(4-Fluoro-2-nitrophenoxy)methyl]-1-methylpiperidine

tert-Butyl 4-(2-amino-4-fluorophenyl)piperazine-1-carboxylate

1-Ethoxy-4-fluoro-2-nitrobenzene

2-Fluoro-6-(4-methylpiperazin-1-yl)aniline