2-Bromo-6-(difluoromethyl)-3-nitropyridine-5-sulfonamide
3-Bromo-5-(chloromethyl)-2-(difluoromethyl)-6-methylpyridine
2-Bromo-5-(difluoromethyl)-3-nitropyridine-6-sulfonamide
5-Bromo-2-(chloromethyl)-3-(difluoromethyl)pyridine-6-acetonitrile
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