3-Fluoro-6-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-4-acetonitrile
5-Fluoro-2-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-3-acetonitrile
2-Hydroxy-6-iodo-4-nitro-3-(trifluoromethoxy)pyridine
3-Fluoro-6-methoxy-4-methyl-2-(trifluoromethoxy)pyridine