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