Ethyl 4-cyano-5-(fluoromethyl)-3-(trifluoromethoxy)pyridine-2-acetate
Ethyl 4-cyano-3-(fluoromethyl)-2-(trifluoromethoxy)pyridine-5-acetate
2-Fluoro-3-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-5-methanol
Ethyl 4-cyano-6-(fluoromethyl)-3-(trifluoromethoxy)pyridine-2-acetate