3-Fluoro-5-hydroxy-4-(trifluoromethoxy)pyridine-2-sulfonamide
2-Cyano-5-(fluoromethyl)-3-iodo-6-(trifluoromethoxy)pyridine
5-Fluoro-4-hydroxy-2-(trifluoromethoxy)pyridine-3-sulfonamide
2-Cyano-4-(fluoromethyl)-6-iodo-3-(trifluoromethoxy)pyridine
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