2-Bromo-5-(difluoromethyl)-4-hydroxypyridine-3-sulfonyl chloride
4-Bromo-5-(difluoromethyl)-2-fluoro-3-nitropyridine
4-Bromo-5-(difluoromethyl)-2-hydroxypyridine-3-carbonyl chloride
5-Bromo-2-(difluoromethyl)-4-hydroxypyridine-3-sulfonamide
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