2-(Chloromethyl)-3-(difluoromethyl)-5-fluoro-6-(trifluoromethoxy)pyridine
5-(Chloromethyl)-3-fluoro-4-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
5-Hydroxy-4-nitro-2-(trifluoromethoxy)pyridine-3-acetonitrile
6-Hydroxy-4-nitro-2-(trifluoromethoxy)pyridine-3-acetonitrile