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