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