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