6-Chloro-3-cyano-2-(trifluoromethoxy)pyridine-4-sulfonamide
5-Bromo-2-iodo-3-(trifluoromethoxy)pyridine-6-carboxylic acid
2-Chloro-4-cyano-6-(trifluoromethoxy)pyridine-3-sulfonamide
4-Bromo-3-iodo-6-(trifluoromethoxy)pyridine-2-carboxylic acid
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