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