2,3-Bis(trifluoromethyl)-6-(difluoromethyl)pyridine
2,3-Bis(trifluoromethyl)-4-(difluoromethyl)pyridine
3,6-Bis(trifluoromethyl)-2-cyanopyridine
3,5-Bis(trifluoromethyl)-2-cyanopyridine
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