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