5-Chloro-2-(difluoromethyl)-3-fluoropyridine-4-sulfonyl chloride
6-(Bromomethyl)-3-chloro-4-(difluoromethyl)-2-fluoropyridine
2-(Bromomethyl)-5-chloro-3-(difluoromethyl)-6-fluoropyridine
6-(Bromomethyl)-4-chloro-2-(difluoromethyl)-3-fluoropyridine
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