4-Bromo-6-(difluoromethyl)-2-hydroxypyridine-3-carboxaldehyde
4-Bromo-3-(difluoromethyl)-6-hydroxypyridine-2-carboxaldehyde
4-Bromo-2-(difluoromethyl)-3-hydroxypyridine-6-carboxaldehyde
4-Bromo-3-(difluoromethyl)-5-hydroxypyridine-2-carboxaldehyde
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