221349-78-6
→
221349-79-7
2-甲氧基-6-甲基-3-硝基吡啶-4-甲醛
221349-77-5
2-methoxy-4-(1-methoxyethenyl)-6-methyl-3-nitropyridine
70026-89-0
ethyl 6-methyl-3-nitro-2-oxo-1H-pyridine-4-carboxylate