Methyl 3-bromo-4-(difluoromethyl)-6-methoxypyridine-2-acetate
3-Bromo-6-(difluoromethyl)-2-iodopyridine-4-sulfonamide
3-Bromo-6-(difluoromethyl)-4-iodopyridine-2-sulfonamide
5-Bromo-2-(difluoromethyl)-3-iodopyridine-6-sulfonamide
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