2-Amino-5-nitropyridine 2-Pyridinamine, 5-nitro- 4214-76-0 5-Nitro-2-aminopyridine 5-Nitropyrimidin-2-ylamine AI3-19226 EINECS 224-145-6 NSC 23774 Pyridine, 2-amino-5-nitro- (8CI)