Methyl 4-cyano-2-(fluoromethyl)-3-(trifluoromethoxy)pyridine-5-acetate
Methyl 5-cyano-3-(fluoromethyl)-4-(trifluoromethoxy)pyridine-2-acetate
Methyl 3-(chloromethyl)-2-cyano-5-(trifluoromethoxy)pyridine-4-acetate
4-Cyano-3-(fluoromethyl)-2-(trifluoromethoxy)-6-(trifluoromethyl)pyridine