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