5-(Bromomethyl)-4-cyano-3-(trifluoromethoxy)pyridine-2-carboxaldehyde
6-Fluoro-3-hydroxy-2-(trifluoromethoxy)pyridine-4-sulfonyl chloride
2-Fluoro-4-(fluoromethyl)-3-(trifluoromethoxy)pyridine-6-acetic acid
2-Fluoro-4-hydroxy-6-(trifluoromethoxy)pyridine-3-sulfonyl chloride