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