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