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