4-(Difluoromethyl)-5-nitropyridine-2-carboxylic acid
4-(Difluoromethyl)-2-(trifluoromethyl)pyridine-6-carboxaldehyde
5-(Difluoromethyl)-3-(trifluoromethyl)pyridine-2-carboxaldehyde
4-(Difluoromethyl)-2-nitropyridine-6-carboxylic acid
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