2-Bromo-4-(difluoromethyl)-3-hydroxypyridine-6-sulfonyl chloride
2-Bromo-3-(difluoromethyl)-6-methoxy-4-methylpyridine
4-Bromo-2-(difluoromethyl)-6-hydroxypyridine-3-carbonyl chloride
5-Bromo-2-(difluoromethyl)-3-hydroxypyridine-6-sulfonamide
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