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