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