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