Ethyl 2-bromo-3-(difluoromethyl)-5-hydroxypyridine-6-acetate
Ethyl 3-bromo-2-(difluoromethyl)-5-iodopyridine-4-carboxylate
3-Bromo-2-(difluoromethyl)-6-hydroxypyridine-5-sulfonyl chloride
Ethyl 3-bromo-2-(difluoromethyl)-4-iodopyridine-5-carboxylate
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