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