3-Fluoro-2-hydroxy-6-(trifluoromethoxy)pyridine-5-carboxaldehyde
4-Hydroxy-6-iodo-2-(trifluoromethoxy)pyridine-3-sulfonamide
2-(Difluoromethyl)-5-fluoro-4-(trifluoromethoxy)pyridine-3-carboxylic acid
6-(Difluoromethyl)-4-fluoro-2-(trifluoromethoxy)pyridine-3-carboxylic acid