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