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