4-(Bromomethyl)-2-cyano-3-(difluoromethyl)-5-hydroxypyridine
Methyl 2-(bromomethyl)-6-chloro-3-(difluoromethyl)pyridine-5-carboxylate
3-Cyano-4-(difluoromethyl)-5-iodopyridine-2-sulfonyl chloride
Ethyl 3-(bromomethyl)-2-chloro-6-(difluoromethyl)pyridine-4-carboxylate