5-Bromo-3-(difluoromethyl)-2-nitropyridine-4-carbonyl chloride
3-Bromo-2-(difluoromethyl)-4-nitropyridine-6-sulfonamide
4-Bromo-3-(chloromethyl)-6-(difluoromethyl)-2-methylpyridine
2-Bromo-6-(difluoromethyl)-3-nitropyridine-5-sulfonamide
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