Methyl 5-chloro-2-cyano-4-(trifluoromethoxy)pyridine-3-carboxylate
Methyl 6-(bromomethyl)-2-hydroxy-4-(trifluoromethoxy)pyridine-3-carboxylate
4-(Bromomethyl)-2-(difluoromethyl)pyridine-5-carbonyl chloride
2-Bromo-6-(difluoromethyl)-3-methylpyridine-5-sulfonyl chloride