6-(Difluoromethyl)-2,3-dihydroxypyridine-5-carbonyl chloride
6-(Difluoromethyl)-2,3-dihydroxypyridine-4-carbonyl chloride
Ethyl 2-(difluoromethyl)-3,4-dihydroxypyridine-6-acetate
Ethyl 2-(difluoromethyl)-3,4-dihydroxypyridine-5-acetate
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