3-Bromo-5-(difluoromethyl)-2-(trifluoromethyl)pyridine-6-carboxaldehyde
3-Bromo-2-(difluoromethyl)-4-(trifluoromethyl)pyridine-6-carboxaldehyde
2-Bromo-6-(difluoromethyl)-5-(trifluoromethyl)pyridine-3-carboxaldehyde
3-Chloro-5-(difluoromethyl)-6-methyl-2-nitropyridine