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