3-Cyano-4-fluoro-5-hydroxy-2-(trifluoromethoxy)pyridine
4-(Chloromethyl)-3-cyano-2-fluoro-5-(trifluoromethoxy)pyridine
3-Cyano-2-fluoro-6-hydroxy-5-(trifluoromethoxy)pyridine
2-Chloro-4-iodo-3-(trifluoromethoxy)pyridine-6-sulfonyl chloride
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