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