Methyl 6-(bromomethyl)-2-cyano-4-(trifluoromethoxy)pyridine-3-carboxylate
5-(Chloromethyl)-2-cyano-3-(difluoromethyl)-6-(trifluoromethoxy)pyridine
Ethyl 2-(difluoromethyl)-6-fluoro-3-(trifluoromethoxy)pyridine-4-acetate
4-(Chloromethyl)-3-cyano-2-(difluoromethyl)-6-(trifluoromethoxy)pyridine