4-Bromo-3-(chloromethyl)-2-(difluoromethyl)-5-fluoropyridine
4-Bromo-5-cyano-2-(difluoromethyl)pyridine-3-sulfonamide
4-Bromo-2-(chloromethyl)-6-(difluoromethyl)-3-fluoropyridine
4-Bromo-5-cyano-3-(difluoromethyl)pyridine-2-sulfonamide
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