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