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