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