Ethyl 3,6-difluoro-2-(difluoromethyl)pyridine-4-carboxylate
3,6-Dibromo-4-(difluoromethyl)pyridine-2-acetonitrile
Ethyl 2,5-difluoro-3-(difluoromethyl)pyridine-6-carboxylate
2,5-Dibromo-3-(difluoromethyl)pyridine-4-acetonitrile
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