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