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