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