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