Ethyl 3-bromo-6-(difluoromethyl)-2-iodopyridine-4-carboxylate
3-Bromo-6-(difluoromethyl)-2-methoxypyridine-4-sulfonamide
Ethyl 4-bromo-2-(difluoromethyl)-5-iodopyridine-3-carboxylate
5-Bromo-2-(difluoromethyl)-4-methoxypyridine-3-sulfonamide
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