3-(Difluoromethyl)-2-nitropyridine-6-carboxylic acid
6-(Difluoromethyl)-2-nitropyridine-3-carboxylic acid
3,5-Dibromo-2-(difluoromethyl)-6-(trifluoromethyl)pyridine
3,4-Dibromo-6-(difluoromethyl)-2-(trifluoromethyl)pyridine
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