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