6-Cyano-2-hydroxy-4-(trifluoromethoxy)pyridine-3-sulfonamide
3-Chloro-6-iodo-2-methoxy-5-(trifluoromethoxy)pyridine
4-Chloro-2-iodo-6-methoxy-3-(trifluoromethoxy)pyridine
3-(Chloromethyl)-5-cyano-6-iodo-2-(trifluoromethoxy)pyridine
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