Ethyl 2-cyano-5-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-6-carboxylate
Methyl 4-fluoro-2-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-3-acetate
Methyl 4-fluoro-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-6-acetate
Methyl 3-fluoro-2-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-4-acetate