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