1-Boc-4-[(4-cyanophenyl)amino]-piperidine
tert-Butyl 4-((2-aminophenyl)amino)piperidine-1-carboxylate
Ethyl 4-((2-amino-4-chlorophenyl)amino)piperidine-1-carboxylate
tert-Butyl 4-((3-fluorophenyl)amino)piperidine-1-carboxylate
