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