5-Bromo-3-(difluoromethyl)-4-fluoro-2-iodopyridine
5-Bromo-4-(difluoromethyl)-3-fluoro-2-iodopyridine
5-Bromo-4-(difluoromethyl)-3-fluoro-2-nitropyridine
6-Bromo-4-(difluoromethyl)-3-fluoro-2-nitropyridine
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