3-Chloro-5-(difluoromethyl)-2-(trifluoromethyl)pyridine
3-Chloro-2-(difluoromethyl)-6-(trifluoromethyl)pyridine
4-Chloro-3-(difluoromethyl)-5-(trifluoromethyl)pyridine
4-Chloro-2-(difluoromethyl)-6-(trifluoromethyl)pyridine
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