Methyl 2-cyano-4-(fluoromethyl)-6-(trifluoromethoxy)pyridine-3-carboxylate
Methyl 3-cyano-2-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-4-acetate
Ethyl 4-chloro-6-(difluoromethyl)-3-(trifluoromethoxy)pyridine-2-carboxylate
4-Cyano-3-(difluoromethyl)-2-(trifluoromethoxy)pyridine-6-acetonitrile