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