4-Bromo-2-(difluoromethyl)-3-methyl-6-nitropyridine
3-Bromo-2-(difluoromethyl)-5-methylpyridine-4-sulfonyl chloride
3-Bromo-2-(difluoromethyl)-4-methylpyridine-5-sulfonyl chloride
2-Bromo-6-(difluoromethyl)-5-methylpyridine-3-sulfonyl chloride
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