4-Bromo-3-chloro-2-(difluoromethyl)pyridine-6-sulfonyl chloride
2-Bromo-3-(bromomethyl)-6-chloro-4-(difluoromethyl)pyridine
2-Bromo-3-cyano-6-(difluoromethyl)-4-fluoropyridine
4-Bromo-2-chloro-6-(difluoromethyl)pyridine-3-sulfonyl chloride
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