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