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