1-Piperazinecarboxylic acid, 4-(6-nitro-3-pyridinyl)-, 1,1-dimethylethyl ester
1,1-Dimethylethyl 4-(6-nitro-3-pyridinyl)-1-piperazinecarboxylate
4-(6-Nitropyridin-3-yl)piperazine-1-carboxylic acid tert-butyl ester
4-(6-Nitro-3-pyridinyl)-1-piperazinecarboxylic acid 1,1-dimethylethyl ester
4-(6-Nitropyridin-3-yl)piperazine-1-carboxylic acid tert-butyl ester
tert-Butyl 4-(6-nitropyridin-3-yl)piperazine-1-carboxylate
tert-Butyl 4-(6-nitro-3-pyridyl)piperazine-1-carboxylate
1-Boc-4-(6-nitro-3-pyridyl)piperazine