2-Cyano-3,6-dibromo-4-(difluoromethyl)pyridine
3-Cyano-2,5-dibromo-6-(difluoromethyl)pyridine
6-Cyano-2,4-dibromo-3-(difluoromethyl)pyridine
4,6-Difluoro-3-(difluoromethyl)pyridine-2-carboxaldehyde
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