3-(Chloromethyl)-2-iodo-6-nitro-4-(trifluoromethoxy)pyridine
4-Iodo-3-methoxy-6-(trifluoromethoxy)pyridine-2-sulfonyl chloride
3-(Chloromethyl)-2-iodo-4-nitro-6-(trifluoromethoxy)pyridine
4-Iodo-3-methoxy-2-(trifluoromethoxy)pyridine-6-sulfonyl chloride