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