Ethyl 3-bromo-6-(difluoromethyl)-2-iodopyridine-5-acetate
Ethyl 5-bromo-2-(difluoromethyl)-4-iodopyridine-3-acetate
Ethyl 5-bromo-2-(difluoromethyl)-3-iodopyridine-4-acetate
4-Bromo-2-(bromomethyl)-3-(difluoromethyl)-6-nitropyridine
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