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