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