2-Fluoro-6-methyl-4-(trifluoromethoxy)pyridine-3-sulfonyl chloride
2-Fluoro-5-methyl-6-(trifluoromethoxy)pyridine-3-sulfonyl chloride
4-Fluoro-3-hydroxy-2-(trifluoromethoxy)pyridine-6-sulfonamide
4-Fluoro-2-hydroxy-6-(trifluoromethoxy)pyridine-3-sulfonamide