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