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