Ethyl 4-(difluoromethyl)-3-hydroxy-5-methoxypyridine-2-carboxylate
Ethyl 6-(difluoromethyl)-2-hydroxy-4-methoxypyridine-3-carboxylate
6-(Difluoromethyl)-3-hydroxy-4-nitropyridine-2-acetonitrile
4-(Difluoromethyl)-6-hydroxy-2-methoxy-3-methylpyridine
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