3-(Difluoromethyl)-4-hydroxy-2-methyl-5-nitropyridine
Methyl 2-(difluoromethyl)-3-hydroxy-5-iodopyridine-6-carboxylate
3-(Bromomethyl)-5-(difluoromethyl)-2-hydroxy-4-methylpyridine
3-(Difluoromethyl)-6-hydroxy-4-iodopyridine-2-carboxylic acid
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