2-Fluoro-6-iodo-4-(trifluoromethoxy)pyridine-3-sulfonyl chloride
2-Fluoro-5-iodo-4-(trifluoromethoxy)pyridine-3-sulfonyl chloride
2-Fluoro-4-iodo-5-(trifluoromethoxy)pyridine-3-sulfonyl chloride
5-Fluoro-2-iodo-3-(trifluoromethoxy)pyridine-4-carboxylic acid