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