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