Methyl 6-(chloromethyl)-4-fluoro-3-(trifluoromethoxy)pyridine-2-acetate
3-(Difluoromethyl)-4-nitro-2-(trifluoromethyl)pyridine-5-sulfonyl chloride
5-Chloro-2-cyano-3-methyl-4-(trifluoromethoxy)pyridine
3-(Bromomethyl)-2-cyano-4-(difluoromethyl)-6-(trifluoromethoxy)pyridine