2-Cyano-4-(fluoromethyl)-5-(trifluoromethoxy)pyridine
2-Cyano-3-(fluoromethyl)-6-(trifluoromethoxy)pyridine
3-(Chloromethyl)-6-cyano-2-(trifluoromethoxy)pyridine
5-(Chloromethyl)-2-cyano-3-(trifluoromethoxy)pyridine
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