Ethyl 6-bromo-2-(difluoromethyl)-4-hydroxypyridine-3-carboxylate
Ethyl 2-bromo-6-(difluoromethyl)-3-hydroxypyridine-5-carboxylate
2-Bromo-3-(difluoromethyl)-6-iodopyridine-4-carboxaldehyde
4-Bromo-3-(difluoromethyl)-5-iodopyridine-2-methanol
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