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