2-Cyano-3,4-diiodo-5-(trifluoromethoxy)pyridine
2-Cyano-3,5-dimethyl-6-(trifluoromethoxy)pyridine
2-Cyano-4,5-dimethyl-3-(trifluoromethoxy)pyridine
5-Cyano-3,4-dimethyl-2-(trifluoromethoxy)pyridine
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