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