Ethyl 5-fluoro-2-(fluoromethyl)-3-(trifluoromethoxy)pyridine-4-carboxylate
Ethyl 2-cyano-5-methoxy-4-(trifluoromethoxy)pyridine-3-acetate
Ethyl 4-fluoro-5-(fluoromethyl)-3-(trifluoromethoxy)pyridine-2-carboxylate
5-Cyano-2-methoxy-3-(trifluoromethoxy)pyridine-6-acetonitrile