Ethyl 3-chloro-4-(difluoromethyl)-2-methylpyridine-6-carboxylate
6-(Bromomethyl)-2-(difluoromethyl)-3-(trifluoromethyl)pyridine-4-sulfonyl chloride
2-Chloro-3-(chloromethyl)-4-hydroxy-6-(trifluoromethoxy)pyridine
3-Cyano-5-fluoro-2-methoxy-6-(trifluoromethoxy)pyridine