5-(Bromomethyl)-6-(difluoromethyl)-2,3-dihydroxypyridine
5-(Bromomethyl)-4-(difluoromethyl)-2,3-dihydroxypyridine
4-(Bromomethyl)-6-(difluoromethyl)-2,3-dihydroxypyridine
4-(Bromomethyl)-5-(difluoromethyl)-2,3-dihydroxypyridine
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