2-Chloro-3-mercapto-4-(trifluoromethyl)pyridine
5-Chloro-3-iodo-2-(trifluoromethyl)pyridine
3-Chloromethyl-2-iodo-6-(trifluoromethyl)pyridine
2-Cyano-6-(trifluoromethyl)isonicotinic acid
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