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