2-Bromo-3-(difluoromethyl)-5-methoxy-6-methylpyridine
5-Bromo-3-(difluoromethyl)-4-fluoropyridine-2-sulfonyl chloride
3-Bromo-5-(difluoromethyl)-2-fluoropyridine-6-sulfonyl chloride
4-Bromo-3-(difluoromethyl)-2-methoxypyridine-5-sulfonyl chloride
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