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