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