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