1-(2-Methoxy-4-nitrophenyl)piperazine hydrochloride
tert-Butyl 2-methyl-4-(4-nitrophenyl)piperazine-1-carboxylate
1-Methyl-4-(3-nitrobenzyl)piperazine
2-(4-Methylpiperazin-1-yl)-5-nitroaniline
1-Methyl-4-(4-nitro-2-(trifluoromethyl)benzyl)piperazine
tert-Butyl 4-(3-methyl-4-nitrophenyl)piperazine-1-carboxylate
tert-Butyl 4-(3-methoxy-4-nitrophenyl)piperazine-1-carboxylate
(4-Amino-3-nitrophenyl)(4-methylpiperazin-1-yl)methanone
1-Methyl-4-(1-(4-nitrophenyl)piperidin-4-yl)piperazine
tert-Butyl 4-(6-nitroquinoxalin-2-yl)piperazine-1-carboxylate
tert-Butyl 4-(2-nitropyridin-3-yl)piperazine-1-carboxylate
3,5-Dimethyl-1-(4-nitrophenyl)piperazine
1-(2-Nitrophenyl)piperazine
1-(4-Nitrobenzyl)piperazine
4-Nitro-7-(piperazin-1-yl)benzo[c][1,2,5]oxadiazole
1-(3-Methoxy-4-nitrophenyl)-3-methylpiperazine hydrochloride
1-Cyclopentyl-4-(4-nitrophenyl)piperazine
5-Nitro-2-(4-phenylpiperazin-1-yl)benzonitrile
1,4-Bis(2-nitrophenyl)piperazine
1,4-Bis(3-nitropyridin-2-yl)piperazine
