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