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