2-(Difluoromethyl)-5-hydroxy-6-methoxy-3-(trifluoromethyl)pyridine
3-(Difluoromethyl)-5-hydroxy-2-nitropyridine-4-carboxylic acid
5-(Difluoromethyl)-3-hydroxy-4-methylpyridine-2-carboxylic acid
2-(Difluoromethyl)-3-hydroxy-5-methyl-6-nitropyridine
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