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