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