2-Fluoro-4-hydroxy-3-(trifluoromethoxy)pyridine-5-sulfonamide
3-Chloro-2-(fluoromethyl)-4-(trifluoromethoxy)pyridine-6-methanol
4-(Bromomethyl)-3-cyano-2-(trifluoromethoxy)pyridine-5-carboxylic acid
2-Fluoro-3-hydroxy-5-(trifluoromethoxy)pyridine-6-sulfonamide