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