3-Cyano-5-methyl-4-(trifluoromethoxy)pyridine-2-sulfonyl chloride
4-(Chloromethyl)-6-cyano-3-iodo-2-(trifluoromethoxy)pyridine
4-Cyano-6-iodo-3-methoxy-2-(trifluoromethoxy)pyridine
2-Cyano-5-methyl-6-(trifluoromethoxy)pyridine-3-sulfonyl chloride
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