tert-Butyl 4-(4-bromo-2-cyanophenyl)piperazine-1-carboxylate
5-Amino-2-(4-methylpiperazin-1-yl)benzonitrile
tert-Butyl 4-(2-cyano-4-nitrophenyl)piperazine-1-carboxylate
2-(4-Methylpiperazin-1-yl)-5-nitrobenzonitrile
tert-Butyl 4-(4-amino-2-cyanophenyl)piperazine-1-carboxylate
2-(Piperazin-1-yl)benzonitrile
