3-Bromo-6-(difluoromethyl)-2-nitropyridine-4-carboxaldehyde
2-Bromo-4-(difluoromethyl)-3-methoxy-5-nitropyridine
3-Bromo-6-(difluoromethyl)-4-nitropyridine-2-carboxaldehyde
5-Bromo-2-(difluoromethyl)-3-nitropyridine-6-carboxaldehyde
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