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