1-(3-Methoxy-4-nitrophenyl)-3-methylpiperazine hydrochloride
tert-Butyl 4-(6-nitroquinoxalin-2-yl)piperazine-1-carboxylate
tert-Butyl 4-(2-nitro-4-(trifluoromethyl)phenyl)piperazine-1-carboxylate
1-Methyl-4-(6-nitropyridin-3-yl)piperazine
1-Methyl-4-(1-(4-nitrophenyl)piperidin-4-yl)piperazine
2-(4-Methyl-1-piperazinyl)-5-nitropyridine
2-(4-Methylpiperazin-1-yl)-5-nitroaniline
tert-Butyl 4-(3-nitropyridin-2-yl)piperazine-1-carboxylate
(4-Amino-3-nitrophenyl)(4-methylpiperazin-1-yl)methanone
1-Methyl-4-(3-nitrobenzyl)piperazine
2-(4-(5-Nitropyridin-2-yl)piperazin-1-yl)ethanol
1-(2-Nitrophenyl)piperazine
tert-Butyl 4-(3-methyl-4-nitrophenyl)piperazine-1-carboxylate
tert-Butyl 2-methyl-4-(4-nitrophenyl)piperazine-1-carboxylate
3,5-Dimethyl-1-(4-nitrophenyl)piperazine
tert-Butyl 4-(3-methoxy-4-nitrophenyl)piperazine-1-carboxylate
1-(2-Methoxy-4-nitrophenyl)piperazine hydrochloride
tert-Butyl 4-(2-nitropyridin-3-yl)piperazine-1-carboxylate
(4-Methylpiperazin-1-yl)(3-nitrophenyl)methanone
6-Nitro-2-(piperazin-1-yl)quinoline
