Ethyl 6-bromo-2-(difluoromethyl)-4-methylpyridine-3-acetate
5-Bromo-2-(difluoromethyl)-3-nitropyridine-4-carboxaldehyde
Ethyl 2-bromo-6-(difluoromethyl)-3-methylpyridine-5-acetate
4-Bromo-3-(difluoromethyl)-6-nitropyridine-2-carboxaldehyde
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