Ethyl 6-bromo-2-(difluoromethyl)-3-hydroxypyridine-4-acetate
4-Bromo-3-(difluoromethyl)-6-fluoro-2-(trifluoromethyl)pyridine
Ethyl 2-bromo-6-(difluoromethyl)-3-hydroxypyridine-5-acetate
Ethyl 3-bromo-4-(difluoromethyl)-5-iodopyridine-2-carboxylate
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