1-(2-((3-Amino-5-nitro-4-pyridyl)amino)ethyl)piperidine 2881-48-3 3-Amino-5-nitro-4-(beta-piperidylethylamino)pyridine BRN 0421077 Piperidine, 1-(2-((3-amino-5-nitro-4-pyridyl)amino)ethyl)-