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