tert-Butyl 4-(5-nitropyridin-2-yl)piperazine-1-carboxylate

4-(5-nitro-pyridin-2-yl)-piperazine-1-carboxylic acid tert-butyl ester

1-tert-Butoxycarbonyl-4-(5-nitropyrid-2-yl)piperazine, 2-(4-Boc-1-piperazinyl)-5-nitropyridine