Ethyl 4-bromo-2-(difluoromethyl)-6-nitropyridine-3-carboxylate
Ethyl 4-bromo-2-(difluoromethyl)-5-nitropyridine-3-carboxylate
5-Bromo-3-(difluoromethyl)-4-methylpyridine-2-sulfonamide
Ethyl 2-bromo-3-(difluoromethyl)-5-iodopyridine-4-acetate
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