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