Ethyl 4-(difluoromethyl)-3-nitropyridine-2-acetate
2,4-Dibromo-3-(difluoromethyl)-5-iodopyridine
Ethyl 4-(difluoromethyl)-2-nitropyridine-3-acetate
2,3-Dibromo-5-(difluoromethyl)-6-iodopyridine
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