2-Bromo-3-(difluoromethyl)-5-methylpyridine-4-sulfonyl chloride
3-Bromo-2-(chloromethyl)-5-(difluoromethyl)-6-methylpyridine
3-Bromo-6-(difluoromethyl)-2-methylpyridine-5-carbonyl chloride
6-Bromo-2-(chloromethyl)-3-(difluoromethyl)-4-methylpyridine
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