2-Cyano-6-fluoro-4-(trifluoromethoxy)pyridine
2-Cyano-3-iodo-5-(trifluoromethoxy)pyridine
6-Cyano-3-fluoro-2-(trifluoromethoxy)pyridine
3-Cyano-6-fluoro-2-(trifluoromethoxy)pyridine
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