3-(Difluoromethyl)-6-hydroxy-4-iodopyridine-2-carboxylic acid
2-(Bromomethyl)-4-(difluoromethyl)-3-hydroxy-5-methylpyridine
2-(Difluoromethyl)-5-hydroxy-3-iodopyridine-4-acetic acid
3-(Aminomethyl)-6-(difluoromethyl)-4-hydroxy-2-methylpyridine
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