3-Bromo-6-(difluoromethyl)-2-methoxy-5-nitropyridine
Ethyl 2-bromo-5-(difluoromethyl)-6-iodopyridine-3-carboxylate
5-Bromo-2-(difluoromethyl)-4-methoxy-3-nitropyridine
Ethyl 6-bromo-3-(difluoromethyl)-4-iodopyridine-2-carboxylate
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