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