6-Iodo-4-methoxy-3-(trifluoromethoxy)pyridine-2-sulfonamide
5-Iodo-2-methoxy-3-(trifluoromethoxy)pyridine-4-sulfonyl chloride
4-Iodo-2-methoxy-3-(trifluoromethoxy)pyridine-5-sulfonyl chloride
3-Iodo-4-methoxy-2-(trifluoromethoxy)pyridine-5-sulfonyl chloride