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