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