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