2-(Difluoromethyl)-5-fluoro-4-iodo-3-(trifluoromethyl)pyridine
6-(Difluoromethyl)-4-fluoro-2-iodo-3-(trifluoromethyl)pyridine
2-(Difluoromethyl)-4-fluoro-5-iodo-3-(trifluoromethyl)pyridine
2-(Difluoromethyl)-3-fluoro-6-iodo-5-(trifluoromethyl)pyridine