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