5-Fluoro-4-iodo-2-(trifluoromethoxy)pyridine-3-sulfonyl chloride
4-Hydroxy-2-iodo-3-methoxy-6-(trifluoromethoxy)pyridine
2-Fluoro-6-iodo-4-(trifluoromethoxy)pyridine-3-sulfonyl chloride
2-Fluoro-5-iodo-4-(trifluoromethoxy)pyridine-3-sulfonyl chloride