2-Bromo-3-(difluoromethyl)-4-fluoropyridine-5-sulfonyl chloride
3-Bromo-6-(difluoromethyl)-2-fluoropyridine-5-carbonyl chloride
3-Bromo-5-(difluoromethyl)-2-fluoropyridine-6-acetonitrile
5-Bromo-4-(difluoromethyl)-2-fluoropyridine-3-acetonitrile
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