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
2-(Chloromethyl)-6-iodo-5-nitro-3-(trifluoromethoxy)pyridine