5-(Difluoromethyl)-2,3-dihydroxypyridine-4-carboxylic acid
4-(Difluoromethyl)-2,3-dihydroxypyridine-6-carboxylic acid
4-(Difluoromethyl)-2,3-dihydroxypyridine-5-carboxylic acid
4-(Difluoromethyl)-3,5-dihydroxypyridine-2-carboxaldehyde
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