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