6-Bromo-2-cyano-4-(difluoromethyl)pyridine-3-carboxaldehyde
2-Bromo-6-cyano-3-(difluoromethyl)pyridine-5-carboxaldehyde
2-Bromo-4-(difluoromethyl)-6-hydroxypyridine-3-sulfonyl chloride
2-Bromo-5-cyano-6-(difluoromethyl)pyridine-3-carboxaldehyde
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