SEARCH Articles Figures Tables 2- Amino-5-nitro-3-R-pyridines 2-methyl-4-nitro pyridine 5- Nitro-2- pyridine, tautomerism 8-Nitro pyridine, from 8-Nitro pyridine, from reduction Pyridine, 2-chloro-5-nitro, reaction with Pyridines 4- nitro-, nucleophilic substitution Pyridines—continued nitro