Ethyl 3-cyano-4-hydroxy-2-(trifluoromethoxy)pyridine-5-carboxylate
2-(Bromomethyl)-5-cyano-3-fluoro-4-(trifluoromethoxy)pyridine
Ethyl 4-fluoro-6-methyl-3-(trifluoromethoxy)pyridine-2-acetate
4-Fluoro-2-hydroxy-6-(trifluoromethoxy)pyridine-3-acetic acid