4-Fluoro-5-iodo-2-(trifluoromethoxy)pyridine-3-carboxylic acid
3-(Difluoromethyl)-4-fluoro-2-iodo-6-(trifluoromethoxy)pyridine
3-Fluoro-6-nitro-2-(trifluoromethoxy)-5-(trifluoromethyl)pyridine
3-(Difluoromethyl)-2-fluoro-6-iodo-4-(trifluoromethoxy)pyridine