6-Bromo-2-(difluoromethyl)-3-fluoropyridine-4-sulfonamide
3-Bromo-4-(difluoromethyl)-2-iodo-5-methoxypyridine
2-Bromo-6-(difluoromethyl)-3-fluoropyridine-5-sulfonamide
2-Bromo-5-(difluoromethyl)-6-fluoropyridine-3-sulfonamide
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