2-Bromo-5-(difluoromethyl)-3-iodopyridine-6-sulfonyl chloride
3-Bromo-2-(difluoromethyl)-6-methoxypyridine-4-acetic acid
6-Bromo-4-(difluoromethyl)-2-iodopyridine-3-sulfonyl chloride
3-Bromo-2-(difluoromethyl)-4-methoxypyridine-5-acetic acid
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