3-Iodo-2-methyl-4-(trifluoromethoxy)pyridine-6-sulfonyl chloride
4-(Chloromethyl)-3-iodo-5-methyl-2-(trifluoromethoxy)pyridine
6-(Difluoromethyl)-2-iodo-3-methoxy-4-(trifluoromethoxy)pyridine
2-(Difluoromethyl)-5-iodo-6-methoxy-3-(trifluoromethoxy)pyridine