2,5-Difluoro-3-(difluoromethyl)pyridine-6-acetonitrile
2,3-Difluoro-4-(difluoromethyl)pyridine-6-acetonitrile
3,6-Difluoro-2-(difluoromethyl)-4-(trifluoromethyl)pyridine
2,4-Difluoro-6-(difluoromethyl)-3-(trifluoromethyl)pyridine
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