5-Cyano-4-methyl-2-(trifluoromethoxy)pyridine
6-Cyano-2-methyl-3-(trifluoromethoxy)pyridine
5-Cyano-2-iodo-4-(trifluoromethoxy)pyridine
5-Cyano-4-iodo-2-(trifluoromethoxy)pyridine
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