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