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