4-Fluoro-6-nitro-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
2-(Bromomethyl)-6-cyano-3-iodo-5-(trifluoromethoxy)pyridine
4-Fluoro-2-nitro-3-(trifluoromethoxy)-5-(trifluoromethyl)pyridine
5-Fluoro-3-nitro-4-(trifluoromethoxy)-2-(trifluoromethyl)pyridine