3-Bromo-2-(difluoromethyl)-5-nitropyridine-4-carboxylic acid
2-Bromo-5-(difluoromethyl)-6-methylpyridine-3-carbonyl chloride
3-Bromo-2-(difluoromethyl)-4-nitropyridine-5-carboxylic acid
6-Bromo-3-(difluoromethyl)-4-methylpyridine-2-carbonyl chloride
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