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