2,6-Dimethyl-4-nitropyridine-1-oxide 2,6-LUTIDINE, 4-NITRO-, 1-OXIDE 4-Nitro-2,6-lutidine-1-oxide 4808-64-4 5-20-06-00052 (Beilstein Handbook Reference) AI3-60231 BRN 0150169 NSC 5094 Pyridine, 2,6-dimethyl-4-nitro-, 1-oxide