Ethyl 2-bromo-3-(difluoromethyl)-4-fluoropyridine-6-acetate
3-Bromo-4-(difluoromethyl)-6-fluoro-2-nitropyridine
3-Bromo-4-(difluoromethyl)-5-fluoro-2-nitropyridine
3-Bromo-4-(difluoromethyl)-2-fluoro-5-nitropyridine
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