5-Chloro-4-chloromethyl-2-(trifluoromethyl)pyridine
5-Chloro-2-chloromethyl-4-(trifluoromethyl)pyridine
4-Chloro-3-chloromethyl-5-(trifluoromethyl)pyridine
3-Chloro-6-fluoro-2-mercaptopyridine
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