2-Bromo-3-(difluoromethyl)-6-(trifluoromethoxy)pyridine-4-carboxaldehyde
2-Bromo-3-(fluoromethyl)-5-methyl-6-(trifluoromethoxy)pyridine
2-Bromo-3-(difluoromethyl)-4-(trifluoromethoxy)pyridine-6-carboxaldehyde
2-Bromo-3-(fluoromethyl)-4-methyl-5-(trifluoromethoxy)pyridine