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