2-(Difluoromethyl)-3-hydroxy-4-methoxypyridine-5-acetic acid
2-(Difluoromethyl)-3-hydroxy-4-nitropyridine-6-acetonitrile
Ethyl 2-(difluoromethyl)-3-hydroxy-6-methoxypyridine-5-acetate
Methyl 4-(difluoromethyl)-6-hydroxy-2-methoxypyridine-3-acetate
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