2-Bromo-3-(difluoromethyl)-4-fluoropyridine-6-sulfonamide
3-Bromo-6-(difluoromethyl)-2-fluoropyridine-4-sulfonyl chloride
3-Bromo-6-(difluoromethyl)-4-fluoropyridine-2-sulfonyl chloride
2-Bromo-5-(difluoromethyl)-4-iodo-3-methoxypyridine
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