5-Fluoro-2-nitro-3-(trifluoromethoxy)pyridine-4-sulfonamide
3-Fluoro-6-(fluoromethyl)-4-methoxy-2-(trifluoromethoxy)pyridine
2-Fluoro-3-methoxy-5-(trifluoromethoxy)-6-(trifluoromethyl)pyridine
4-Fluoro-3-nitro-2-(trifluoromethoxy)pyridine-5-sulfonamide