3-Fluoro-5-(fluoromethyl)-2-nitro-4-(trifluoromethoxy)pyridine
2-Fluoro-3-nitro-6-(trifluoromethoxy)-4-(trifluoromethyl)pyridine
6-Fluoro-2-(fluoromethyl)-4-nitro-3-(trifluoromethoxy)pyridine
5-Cyano-4-iodo-2-(trifluoromethoxy)pyridine-3-carboxaldehyde