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